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                                                                    EXHIBIT 4.14


                             CONSTRUCTION CONTRACT

Employer: TechFaith Wireless Communication Technology (Hangzhou) Ltd.
(hereinafter referred to as "Party A")

Contractor: Hangzhou Jiangqian Construction Engineering Co., Ltd (hereinafter
referred to as "Party B")

Contract No.: "TechFaith Software Park" Construction No.01



In order to meet the project construction requirements of the Employer, in
accordance with the Construction Law of the People's Republic of China, the
Contract Law of the People's Republic of China and other related local laws and
regulations, Party A and Party B, through negotiations and abiding by the
principles of equality, free will and credibility, hereby enter into this
supplementary agreement for the construction of Buildings #2, #4 and #6 of
TechFaith Software Park and its underground garage in order to define the
rights, obligations and economic responsibilities of both parties, on and
subject to the terms and conditions as set forth below.



I.    Project name: TechFaith Software Park

II.   Project location: Intersection of Bin'an Road and Changhe Road of Binjiang
      District, Hangzhou Municipality

III.  Scope of contracting: Building construction and installation of water &
      power supply works of Buildings#2, 4 and 6 of Phase I of TechFaith
      Software Park; total floor area 34,343m(2).

IV.   Settlement, fee rate, project construction price and mode of contracting

      1.    Basis for project settlement: 1944 Zhejiang Project Budget Standard
            and its supplementary standard; 1994 Nationwide Uniform Budget on
            Installation Project -- Zhejiang Province's Pricing Reference for
            Companiese; Information on Construction Cost of Hangzhou
            Municipality.

      2.    Fee rate: 5.7% for building construction (rate basis: 94 fixed
            direct fee plus differences in price of materials); 5.5% for
            installation (rate basis: 94 fixed direct fee); 0% for built-in
            works of other disciplines (rate basis: 94 fixed direct fee).

      3.    Project construction price: temporarily set at RMB80 million.
            The quantity of work will be adjusted by the auditor as per the
            construction drawings but before completion acceptance and payment.

      4.    Prices of materials will be settled on basis of the mean prices at
            various stages (main body and decoration) of construction; un-priced
            materials or materials designated by Party A for approval shall be
            settled at the prices approved by Party A.

      5.    For each of the works of this project, the contracting scope covers
            labor, materials,


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            construction periods, quality and safety. The project construction
            price shall be based on the contracting fee rate and prior
            agreements.

      6.    Party B will act as the General Contractor of this project and
            subcontract special works to professional engineering companies.

      7.    The contracting fee rate includes the differential profit;
            additional costs for remote works, good works, rushed technologies,
            ultra heights (additional costs for vertical transportation of tower
            cranes; costs of bases for tower cranes; costs of installing and
            removing tower cranes; costs of outside-of-site transportation of
            tower cranes -- all to be charged by quotas); earlier completion
            costs; additional costs for civilized construction; labor insurance
            premiums; taxes; corporate management fees; general contracting
            management fees; all expenses associated to construction water and
            power connections, interim input of facilities, management, etc.

      8.    The additional costs for ultra heights as per the 94 fixed fee will
            not be included into the rate basis but will be included by Party B
            into the settlement rate.

      9.    Approved rates of materials: the approved rate is 2% for building
            materials and installation materials; the approved rate basis is the
            price approved by Party A. The approved price and approved rate
            shall be included into the direct costs.

      10.   For the installation engineering, no materials approval prices/rates
            will be applied to equipments (pumps, electric switch boxes, etc).

      11.   When the materials or equipments provided by Party A or the labor or
            materials contracted by disciplines appointed by Party A enter Party
            B, Party B will charge a storage fee which shall be 5% of the
            material price (including all costs).

      12.   The unit price of the scaffolds for the elevator shaft is RMB3,000,
            including all costs.

      13.   Costs of doors and windows grouting, leveling, etc have been
            included by Party B in the settlement rate, so such costs will not
            be separately charged.

      14.   When the Contractor requires completion settlement, it shall also
            present the as-built drawings consistent with the actual conditions.
            Such drawings shall be subject to verification and recognition by
            Party A and the Supervisor.

      15.   When Party A submits the project settlement report, it shall provide
            such settlement documents as the calculation for all the quantity of
            work, the sample sheet of concrete reinforcement bars, the list of
            project liaisons, meeting minutes, the list of technical contacts,
            commencement and completion reports, materials approval list, etc.

      16.   After the contract is signed and during the period of construction,
            if any change is made to related documents (e.g. quota, charge, etc)
            and/or standards, this project will not be adjusted.

      17.   The lump sum of the settlement rate will not be adjusted if any
            construction drawing is revised.


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      18.   If this project wins the "Qianjiang Cup", Party A agrees to
            increase the settlement rate by 1% as the reward.

      19.   For materials whose prices are approved by Party A, the installation
            costs, costs of additional materials, etc will be calculated on
            basis of the fixed fee rate.

      20.   If any quality problem of the fencing piles extends the time limit
            and increases the construction costs, Party A will compensate Party
            B on basis of the actually incurred quantity of work. Party B shall
            be responsible for all the costs associated with any quality problem
            caused by Party B.

      V.    Performance guarantee money

            1. Party B agrees to, before signing the present Agreement, pay to
            the bank account of Party A an amount of RMB1 million as the
            performance guarantee money.

            2. 50% of the performance guarantee money is for quality and 50%
            for the time limit.

            3. Time for refunding the performance guarantee money: the
            performance guarantee money will be refunded without interest
            within one month after the project is completed and reaches the
            promised standard.

VI.   Requirements for construction period

      1.    The time limit of this project is 450 calendar days; the
            commencement day will be determined as per the commencement report
            issued by Party A and the Supervisor. The main structural works will
            be completed within 300 calendar days after the commencement.

      2.    If any force majeure event occurs within the time limit as agreed in
            the present Agreement, the time limit will be accordingly extended.
            If the time limit is delayed due to any reason on the part of Party
            A, the time limit will be accordingly extended after being approved
            by Party A and the Supervisor.

      3.    During the time limit, the Contractor shall provide emergency power
            generators. The Employer will not compensate the Contractor for any
            time limit delays or losses caused by temporary power cut-offs at
            peak times.

      4.    All temporary facilities, water and power supplies for construction
            and roads within the bid section shall be completed by July 1st
            2007.

      5.    For each delayed construction day, a penalty equal to 0.02% of the
            contract price will be paid, but the total amount of penalty shall
            not exceed 3% of the contract price.

      6.    Before commencement of construction, Party B shall, as per the
            requirements of Party A and the Supervisor, compile the overall
            construction plan and implement it literally after being signed by
            Party A and the Supervisor, provided that the time limit as agreed
            in the contract will be ensured.

      VII.  Quality requirements

            1. The project will pass acceptance inspection in one time; it shall
            win the "Xianghu

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            Cup" and try to win the "Qianjiang Cup". After completion, if this
            project, as per the results of acceptance inspection performed by
            related departments, fails to reach the promised quality level, it
            shall be regarded as a default. In this case, the Employer shall
            have the right to confiscate the project quality part of the
            performance guarantee money submitted by the Contractor and request
            the Contractor to bear the corresponding rework costs. If the number
            of "cups" available for granting is too small and Party B fails to
            win the award, Party B will pay RMB100,000 as the penalty.

            2. If there are hidden works, the Contractor shall not proceed to
            the next step of construction before hidden works are jointly
            inspected and accepted by the Employer, the Supervisor, etc.

            3. For raw materials, equipments and spare parts supplied by Party A
            and procured by Party B, quality warranty certificates, conformity
            certificates, special production permits, production permits, etc
            shall be provided for all semi-finished products and equipments.
            Such semi-finished products and equipments shall meet the
            requirements of the construction drawings, specifications and the
            Employer. All as-built technical drawings shall be collected and
            collated by Party B and, after the project is completed, be archived
            and included into the complete technical documents managed by the
            General Contractor (including four sets of as-built drawings). The
            contents must meet the requirements for archiving. The Contractor
            shall be responsible for all the related expenses. No change to or
            substitution of materials shall be effected before it is agreed and
            approved by the designer unit.

            4. After the project is completed, the Contractor must submit four
            sets of complete technical documents and as-built drawings included
            into the management by the General Contractor and complete the
            project filing formalities within 60 days of the time limit;
            otherwise RMB1,000 will be deducted for each delayed day. The
            contents must comply with the archiving requirements. The Contractor
            shall bear all the related expenses, unless such expenses are caused
            by any reason on the part of the Employer.

            5. The Contractor shall unconditionally accept and implement the
            quality punishment rules formulated by the Employer and the
            Supervisor.

            6. When any defect as defined in the Uniform Standard for Quality
            Acceptance and acceptable to the Employer, the Contractor shall bear
            the expenses on remedying the defects.

            7. Construction shall not be officially commenced before the
            construction plan of Party B is confirmed by the Employer and the
            Supervisor.

            8. Party B shall carry out construction activities in strict
            accordance with the construction drawings, construction organization
            designs, drawing examination minutes and current construction
            specifications of the government, accurately carry out construction
            activities, eliminate wastes and minimize losses, provided that the
            quality is assured and the design requirements are met.

            9. Party B shall evaluate the quality of the project by item,
            section and single work



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            and submit the results of quality evaluation for single works to
            Party A and the Supervisor. When the structure of a unit work is
            completed, Party B, together with Party A, the Supervisor and the
            Quality Supervision Station, shall conduct intermediate acceptance
            inspection on the structure.

            10. If any quality accident occurs during the process of
            construction, Party B shall immediately report it to the
            representative of Party A, the engineer of the Supervisor and the
            Quality Supervision Station, and, together with the designer unit,
            make the plan for handling the quality accident. The plan shall be
            subject to approval by the designer before being implemented. In
            addition, the plan shall be reported to the Quality Supervision
            Station for filing.

      11.   The project quality warranty period shall be determined as per the
            related State and local regulations. As per related governmental
            rules, Party B shall be responsible for warranty. Within the
            warranty period, the written notice or telephone call from the
            property management company shall prevail. If the
            maintenance/repairing personnel fail to come within two days after
            the notice or call or the same content is reworked for twice or more
            times, the property management company shall have the right to
            organize the repairing, for which the property management company
            can deduct the expenses from the balance of the project price due to
            Party B or from the quality warranty bond. In addition, the
            property management company will charge 15% of the maintenance/
            repairing costs as the management fee.

      12.   If any of the works undertaken by Party B has any quality problem,
            Party B shall have the right to execute the Construction Project
            Quality Management Rules and related regulations. In addition, Party
            B shall be responsible for all resulting economic losses.

      13.   The feel and look of this project shall meet the requirements of the
            Selected Proposals and Facts for Improving the Feel and Look Quality
            of Building & Installation Projects published by China Planning
            Press. If the quota does not include the labor, materials or
            machinery, such labor, materials or machinery will not be included
            and not be subject to approval during construction.

      VIII. Requirements for civilized construction

            1. The Contractor must strictly follow the operational procedures
            for safe and civilized construction and complete the safe
            construction measures; the work site must reach the requirements for
            district-level standard work sites. At the same time, if any safety
            accident occurs, the Contractor shall bear all responsibilities and
            liabilities.

            2. The Contractor shall be responsible for all the problems and
            expenses resulting from such issues as public security, municipal
            affairs, urban appearance, environment, traffic, environmental
            protection, planned birth, night construction and coordination with
            local people, etc.

            3. During the process of construction, if the Contractor is publicly
            criticized for safety production, project quality and civilized
            construction, the Employer shall have the right to withhold the
            performance guarantee money submitted by the Contractor.


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            4. This project shall reach the requirements of Hangzhou
            Municipality level work sites and provide persistent support.
            Otherwise, part of the performance guarantee money will be deducted.

            5. During the time limit, if Party B causes Class-4 or higher safety
            accidents, all of the performance guarantee money will be deducted.

            6. Party B shall be responsible for the safety management and
            responsibilities of the construction site and has the right to
            punish people entering the construction site and violating the
            safety management rules. However, the safety management rules
            formulated by Party B shall be subject to recognition by Party A and
            the Supervisor.

      IX.   Requirements for project team

            1. The project managers, responsible technicians, construction
            machines and tools and construction teams defined in the
            construction organization shall be in place. Party B shall not at
            its own discretion change the project managers or the construction
            management team. All of the project managers shall be in place. The
            economic project managers shall be responsible around the clock,
            while the construction engineers and the construction site managers
            shall stay in the construction site all the time, directing
            production activities, directly responsible for project quality,
            construction progress, and management of safe and civilized
            construction; otherwise, the performance guarantee money will be
            confiscated.

            2. For information on the members of project teams, positions and
            contact means, please see Attachment I.

            3. All special posts require work permits whose hard copies shall be
            filed. If Party A thinks any project manager or construction manager
            is incompetent, Party A shall have the right to request Party B to
            replace him/her and Party B shall replace him/her within 7 days. If
            Party B fails to meet its promises in its bid regarding the
            qualities and capacities of the construction team, machinery and
            equipments, input for civilized construction, and managerial people,
            or seriously breaches the requirements of the present Agreement, or
            fails to perform its responsibilities as the General Contractor or
            fails to coordinate subcontracting and general contracting
            management, resulting in disorderly site management, or causing the
            project quality, progress, civilized construction and safety
            production not to meet the requirements of the construction
            organization, Party A shall have the right to request Party B to
            adjust or supplement its power.

      XI.   Other requirements

            1. Temporary power consumption on the construction site. The
            Contractor shall install a meter to record the water consumption;
            the difference between the general meter shall be amortized.

            2. Within 15 days after construction of the project is completed,
            the construction site shall be cleared and construction workers
            shall be removed out of the site. If the Contractor fails to move
            out of the construction site, thus affecting the next-step work of
            the Employer, the Employer shall have the right to handle it without
            bearing any related


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            responsibilities/liabilities. If any expenses/costs are incurred,
            the Employer shall have the right to notify the Contractor of such
            expenses/costs and deduct them from the project price.

            3. The scope of contracting hereunder is Buildings #2, 4 and 6 of
            TechFaith Software Park and its underground building construction
            and installation of water and power supply works (including pile
            foundations). For the elevator system, fire-extinguishing system,
            smart system, broadcasting system, telecommunication system, heat
            and ventilation system, doors and windows, gas supply system,
            electric power supply system, civil defense system, curtain walls,
            dry hanging granite, underground fencing pile foundations, etc, the
            constructors shall be determined by Party A, but the general
            contractor management fees and general contractor cooperation fees
            have already been included by Party B in the comprehensive bid rate.
            The work contents for the above fees include the collation and
            archiving of documents submitted by all principles, progress
            control, water and power interfaces between constructors of various
            principles (constructors of all disciplines shall install their own
            metering device to record the water and power costs payable by
            themselves or negotiate with the General Contractor for paying the
            water and power costs in a lump sum), materials for making
            scaffolds, materials for building and removing manual vertical
            transportation equipments, providing one temporary warehouse for
            various supporting units, site, foods, cooperation involving two
            parties and losses resulting from intersecting construction, etc. In
            the future, no additional fees shall be charged from these
            constructors/units and no barriers shall be set for engineering
            units of various disciplines. Any subcontractor shall be held
            responsible if it fails to meet the progress requirements of the
            General Contractor.

            4. The lump materials, hand rails (not aluminum alloy), steel
            climbing ladders, waterproof materials, heat insulating materials
            for roofing and walls, coating for exterior walls, lavatory
            partitions, cast iron cover plates, chimney flue, chimney cap,
            lighting shelter, aluminum-plastic plate arc shelters, mildew-proof
            coatings, sintered aggregates, roof frame and finishing, main
            materials for installation and other professional materials shall be
            of brands and prices designated by Party A and be purchased and
            installed by Party B. Such materials shall be included into the
            direct fees on basis of the approval by Party A (prices approved and
            designated by Party A).

            5. All the civil works shall be constructed by Party B at a unit
            price of RMB16/m(3) (not rated), including earth evacuation,
            backfill, slope building, transportation, etc; the unit price
            includes RMB1/m(3) for tax, RMB1/m(3) for project management fee,
            RMB1.5/m(3) for backfill, and the rest for earth evacuation, manual
            slope building, transportation, etc.

            6. Deep-foundation supports; the water reduction costs will be
            approved as per the actual volume and unit.

            7. Steel materials manufacturers are the designated Jiangsu Yonggang
            Group Co., Ltd, Jiangsu Shagang Group, Hefei Iron and Steel Plant,
            Laiwu Iron and Steel Group, Xicheng Steel Co., Ltd.


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            8. Project teams shall ensure payments for teams or materials of
            various disciplines; if any previous payment was not made in time,
            the Employer shall have the right to deduct times of the payment
            from the money due for this period.

            9. During normal construction activities and normal time limits, the
            construction teams of various disciplines designated by Party A
            shall use scaffolds, transportation machinery, etc; Party B shall
            ensure the use of such scaffolds, transportation machinery, etc;
            otherwise, Party A shall have the right to punish Party B.

            10. Only taxes are imposed on lump-sum units or separate expenses.

            11. For each kind of bulk order of materials, Party B shall
            recommend at least three manufacturers for selection by Party A.

            12. When there is any design defect, the Contractor shall present it
            as immediately after it is discovered.

            13. Pay salaries to workers on a monthly basis in strict compliance
            with the Interim Rules on Salary Payment of the government. No
            salary payment shall be delayed without justification. If any major
            labor dispute arises and affects the reputation of the Employer, the
            Contractor shall be fined for RMB10,000-RMB50,000 for one time.

            14. Party A will provide Party B with eight sets of construction
            drawings and one geologic survey report. The as-built drawings will
            be separately provided by Party A.

            15. Properly handle relations with neighboring residents. If
            construction activities cause any inconvenience to neighboring
            residents, the Contractor shall make explanations to them and
            arrange a dedicated person to handle this issue without affecting
            the overall project progress of Party A.

            16. If the Contractor sets obstacles for the professional
            engineering units by charging fees or affecting the construction
            progress, the Employer shall have the right to fine the Contractor
            who shall unconditionally accept the punishment.

            17. Enclosing walls shall reach the standard requirements and Party
            B shall bear all the costs. If input needs to be increased at the
            request of Party A, the increase shall be approved by Party A. It is
            agreed by Party A to buy the used bricks at the market price after
            the enclosing walls are removed.

            18. Party B shall be responsible for expenses of detecting such
            items as lightning arresting, lighting, etc within the scope of
            contracting by Party B; Party B shall also be responsible for
            completing the formalities, while Party A will provide assistance
            and related documents.

            19. Party A will be responsible for determining the specific
            professional engineering works.

            20. Under the same and equal conditions, the teams appointed by
            Party A shall have the right to construct part of the professional
            works in the decoration project.

            21. Subcontractors shall follow the uniform procedures set by Party
            B in carrying out



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            construction activities. When any dispute arises between any
            subcontractor and Party B, Party A shall be responsible for
            coordination. Party A will only compensate Party B for the salaries
            of the personnel of Party B on the construction site if the vertical
            transportation machinery, scaffolds, etc are delayed for one and a
            half months or longer due to any reason on the part of any
            subcontractor or Party A.

            22. Erection of security guard room and the door platforms and
            temporary facilities shall be subject to approval by Party A.
            Vehicles that enter and exit the construction site shall be washed
            for free. If any fine is incurred, Party B shall be responsible for
            it.

            23. The progress and quality of any professional subcontractor shall
            be subject to recognition by Party B.

            XII. Liabilities for breach of contract: If either party hereto
            breaches the contract, it shall bear the liabilities and compensate
            the losses thus incurred to non-breaching party and pay the
            liquidated damages.

            XIII. Resolution of disputes: Any dispute arising from the
            performance of this contract shall be resolved by both parties
            through friendly negotiations. In case no resolution can be reached,
            either party may submit it to Hangzhou Municipal Arbitration
            Commission for arbitration or to file a lawsuit with the people's
            court of competent jurisdiction in Hangzhou.

            XIV. This Agreement is entered into by both parties on a voluntary
            and legal basis. Where this Agreement conflicts with the contract,
            the internal Bidding Documents, clarifications and bid inquiry
            commitments, this Agreement shall prevail.

            XV. This Agreement shall take effect after being signed by both
            parties. This Agreement is executed in eight copies s, four copies
            for each of Party A and Party B.

            XVI. Anything not covered herein is to be resolved by both parties
            through negotiations.


Employer (Seal):                                    Contractor (Seal):
 TechFaith Wireless Communication                    Hangzhou Jiangqian Building
 Technology (Hangzhou) Ltd.                          Engineering Co., Ltd
 [Stamped]                                           [Stamped]

Address:                                            Address:
 No.4028 of South Ring Road
 Binjiang District, Hangzhou

Legal representative:                               Legal representative:

Authorized representative:                          Authorized representative:
 /s/ Wang Zhongbao                                   /s/ An Bing

Date of signing:                                    Date of signing:
 Feb. 11th 2007                                      Feb. 11th 2007

Account opening bank:                               Account opening bank:

Bank A/C No.:                                       Bank A/C No.: