Exhibit 4.90
  Suntrans Office Building Lease Contract
 Contract Serial No.(2009)[]
 Lessor (Party A): Beijing
 Suntrans Real Estate Development Co. Ltd.
Contacting Tel No. 63102288
Fax: 63102860
 Lessee
 (Party B): Fortune (Beijing)  Wisdom Technology Co., Ltd
Contacting Tel No.
Fax:
 Execution Venue:
 Floor 16 West Wing of No. One Suntrans Office Building
 Execution Date: 30 th April 2009




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Contract Law of the Peoples Republic of China Municipal City House Lease
Administration Regulations of the Peoples Republic of China
 Article 1 House under Lease and Its Usage
 1.
    
    Party B intends to rent and Party A agrees to lease the house (herein after referred to as
the House, 4 suits in total) that is located at Unit 1145-1148, 11th Floor, Tower 2 of
Suntrans Office Building, No.10, Xuanwumenwai Ave, Beijing. The area of the House is 566.68
square meters (the sketch chart is attached herein).
 2.
    
    Party B undertakes to Party A to use the House for office purpose only, and it shall not
change the said usage of the House without a written consent from Party A within the lease
term.
 Article 2 Term of Lease
 1.
    
    The term of the lease is 36 months commencing from 20th May 2009 and ending on
19th May 2012.Lease Commencement Date: 20th May 2009.
 2.
    
    The free lease period for decoration commences from 20th May 2009 and ends on
19th August 2009. Within such decoration period, party B is free from paying
rental but shall pay for the property management fee and all the actual charges incurred due
to its decoration activity and etc.
 3.
    
    Party B retains the priority right to rent the House under the circumstances that Party B
complies with the Agreement in all aspects within the lease term. Provided Party B intends
to renew the lease, it must submit a written request for renewal within 3 months before the
original Agreement terminates. If Party B determines not to renew the lease, the contract
terminates upon its expiry and Party B shall move out of the House on such expiry date at
the latest. Provided Party B fails to move out on time, Party B shall send Party A prior
written notice for extension, with Party As consent and without affecting the new leasees
entry, the lease term could be extended 30 days accordingly. The rental, property management
fee and other charges should be credited upon the actually extended days, but the rental for
the extended period should be credited as 120% of the rental under the original contract.
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Article 3 Rental and Payment Term
 1.
    
    Rental
  2.
    
    Term and Payment
 2.1
    
    Party B shall advance the down payment in an amount equal to one month rental
(namely, RMB63683.50 Yuan) to Party A within 3 days from the contract takes into
effect.
 2.2
    
    Party B shall pay the monthly rental before 7th every calendar month
after the down payment.
 2.3
    
    Party B shall pay the rental on time pursuant to item 1 and 2 herein, an overdue
fine in an amount equal to 0.5 of the daily rental shall be imposed by Party A for
each delaying day. Should such delay exceeds 30 days and unless otherwise permitted by
Party A due to Party Bs certain conditions, Party A is entitled to terminate this
contract and reserves the right to claim for compensation of the losses hereby incurred
by such unoccupied house.
 Article 4 Property Management Fee
 1.
    
    The property management fee for the House is RMB13891.50Yuan per month.
 2.
    
    Party B shall advance the down payment in an amount equal to one months property
management fee(RMB13891.50 Yuan) to Party A within 3 days from the contract takes into
effect. Party B shall pay the
property management fee every month according to the prescribed date provided by the property
management company after the down payment.
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3.
    
    Party B shall pay the property management fee on time pursuant to the prescription
hereunder, an overdue fine in an amount equal to 0.5 of the daily property management fee
shall be imposed by Party A or the property management company for each delaying day. Should
such delay exceeds 30 days and unless otherwise permitted by Party A due to Party Bs
certain conditions, Party A is entitled to terminate this contract and reserves the right to
claim for compensation of the losses incurred by such unoccupied house.
 4.
    
    The property management fee includes charges, provided by the lessor or its authorized
property management company, of central air-conditioning, heating, hygiene maintenance over
public area(including rubbish disposition but not cover lessees commercial disposal),
public facility installation and maintenance, water supply for the public area, electricity
and communication services, public liability insurance, other insurance covering fire and
construction management risk, remuneration for security personnel and other property
management personnel (including engagement fee for any professional when necessary), and the
administrative cost of the lessors property management company (including the reasonable
remuneration for the property management administrator). For the basic property management
service refer to appendix one and such service is subject to corresponding adjustment based
on the national laws & regulations and market status).
 Article 5 Deposit
 1.
    
    The deposit hereunder includes rental deposit and property management deposit. Party B
shall advance to Party A, within 3 days after the contract comes into effect to guarantee
its fiduciary performance pursuant to the contract and to the management regulations of the
property management company, a rental deposit in an amount equal to 3 months rental (namely,
RMB191050.50 Yuan ) and a property management deposit in an amount equal to 3 months
property management fee (namely, RMB 41674.50 Yuan).
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2.
    
    Provided Party B violates any clause of this contract or any regulation of the property
management company, Party A or the property management company shall urge or notify him.
Should Party B fail to
carry out its obligations herein or fail to perform as pursuant to the regulations of the
property management company, Party A is entitled to deduct part or all of the deposit to set
off the losses hereto occurred to Party A and/or the property management company. After Party
As such deduction according to the contract and within 3 days after Party B receives a
written notice from Party A, Party B shall supplement the deposit difference in due amount
provided hereunder.
 3.
    
    Party A is entitled to terminate the contract in case Party B fails to advance the
aforesaid payment or supplement the deposit difference.
 4.
    
    Party A shall refund the deposit (no interest bearing) to Party B within 15 days after
Party B carries out its obligations hereunder without default causes and terminates the
lease normally. Should Party B fails to satisfy the below conditions, Party A is entitled to
deduct the deposit accordingly based on facts after investigation.
 4.1
    
    Party B has performed its obligations in all aspects according to the contract.
 4.2
    
    Party B has fully compensated the losses resulting from its default behaviors
hereunder or due to the breach of regulations of the property management company, to
Party A or to the property management company, or has settled such dispute completely.
 4.3
    
    Party B shall ensure the internal cleanness of the House and its appropriate
conditions for leasing.
 4.4
    
    After the contract expires and under the circumstances that Party B has kept the
decoration for applicable condition while the House belongs to a sole owner, Party A
may exempt Party Bs obligation to restore the House to its original status. Otherwise,
Party A is entitled to demand Party B to restore the House to its original status or
back to normal use. Should the House Party B has leased belong to more than one owners
and he has taken down the diaphragm wall, Party B is obliged to pay for the costs spent
on restoring the diaphragm wall. Provided Party B fails to pay for such costs, Party A
is entitled to deduct such costs from the deposit.
 4.5
    
    Party B has paid off the electricity, the telephone bill, the internet charges
and other paid services.
 4.6
    
    Party B shall not transfer or pledge the relevant voucher of such deposit.
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Article 6 Other Fees
 1.
    
    Party B shall bear on its own and submit to the related department all such related fees
during the lease term as the electricity, telephone bill, telephone maintenance fee
(connection fee, line maintenance and etc.), internet connection, parking, overdue
air-conditioning and other paid services.
 2.
    
    Party B bears no liability to pay for the land utility fee and real estate tax during the
lease term.
 3.
    
    Decoration and management fee: Party B shall pay the decoration management fee and all the
other costs hereby incurred from the commencing date of the decoration according to the
applicable management regulations of the property management company. (For details refer to
appendix two, the explanation of the related cost during the decoration of the office
building.)
 4.
    
    For the charge standards of Suntrans Building refer to the appendix. The property
management company has the right to adjust such standards pursuant to the national laws and
regulations as well as the relevant price polices.
 Article 7 Payment Method
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Article 8 Delivery, Decoration and Reconstruction of the House
 1.
    
    Delivery of the House: Party A shall deliver the House on Lease Commencement Day as set out
hereunder. When Party B takes possession of the house, it shall, in the company of staff
from the property security company, conduct on-site inspection on the House, record the
electricity meter number and handover the key etc. For the existing status of the apa naked
decorate House refer to appendix three the current status of apa naked decorate office
units.
 2.
    
    For safety purpose of the mechanical and electrical system, the construction of such
mechanical and electrical system shall be conducted by a designed company appointed by the
property security company according to the construction standards. For the construction
criteria of the construction of mechanical and electrical system refer to appendix four
(installation project illustration of the mechanical and electrical system of the office
building unit) and appendix 5(installation and materials of mechanical and electrical
system and technique criteria).
 3.
    
    When conducting the decoration Party B shall abide by the Decoration Notice of the office
building unit (see Appendix six).
 Article 9 Entrance & Exit and Management
 1.
    
    In the event that Party A or the property management company or their agency or employee
requires to conduct maintenance, security work, fire control, salvation in connection with
the House or Suntrans office building or have other management requests, it shall contact
Party B in advance for entrance permission before commencing any aforesaid work, and Party B
is obliged to offer assistance. Under emergency circumstances when they fail to contact the
lessee and/or unrecoverable losses could be caused unless prompt entrance takes places, they
could enter into the House directly and take emergency measures whatever necessary, however
they should report such event to Party B afterwards in time, Party A and the property
management company take no responsibility for any loss hereto incurred.
 2.
    
    Should Party B does not notify Party A to extend the term in written form within the last 3
months before the contract terminates, Party A is entitled to show the potential lessees
around the House at normal work
hours within the last 3 months before the lease term expires with a prior notice to Party B,
Party B shall provide normal assistance.
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3.
    
    Party B shall bear a joint liability to Party A or its agency for any direct economic loss
resulting from any conduct, negligence and mistake of its contractors, employees or
agencies.
 Article 10 Rights and Obligations of Party A
 1.
    
    Party As Rights
 1.1
    
    During the lease term, Party A is entitled to change the name of Beijing Suntrans
Office Building in part or in all. Party B takes no responsibility for any fee incurred
hereby but Party A should serve prior written notice before the said changes.
 1.2
    
    Under the circumstances that Party B violates any article hereunder and fails to
remedy after receiving the written notice from Party A, Party A is entitled to terminate
the House related service( including but not limited to, cease providing the power,
cooling& heating and the telecommunication etc. )or take any measure it redeems
appropriate, up to Party B corrects his default act and pay off all the fess hereof
incurred (including but not limited to the overdue fine).
 1.3
    
    Party A takes no responsibility, unless it is caused by him, for any physical
injure or property damage caused to Party B, or to Party Bs staff, employees, agency,
visitors and people associated with Party B.
 1.4
    
    During the lease term, Party A is entitled to inspect the House status on an
regular basis or at random, but it shall notify Party B in advance and Party B shall
offer assistance.
 1.5
    
    Party A has disclosed and Party B has acknowledged that the House has been
mortgaged. Provided such mortgage caused direct economic losses to Party B during the
lease term, Party A shall take the responsibility and compensate thereof.
 2.
    
    Party As Obligations
 2.1
    
    Pay the rental and other fees according to the prescribed time and method, comply
with and carry out the provisions hereunder. Party A shall not disturb Party Bs normal
work within the lease term unless
it has special requirement, unrespectable matters beyond Party As authority is not included.
 2.2
    
    Party A shall delivery the House in an appropriate status for leasing.
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2.3
    
    Party A shall ensure normal operation of the public facilities in the public area
where the House is located. Where malfunction occurs, Party A shall send personnel to
repair when receiving notice from Party B unless such repair is caused by other lessees
of the House or is of the users liability. Party A bears no responsibility for any
facility breakdown within the House unless it is caused by itself. All the provisions of
the contract and Party Bs obligation to pay the rental and other fees shall not be
affected or impaired thereof.
 2.4
    
    Within the lease term, Party A is obliged to replace the public fixing equipment
and facilities that are out of repair, but not including the fixing equipment and the
retractable devices that are installed by Party B without Party As permission, nor will
Party A replace the public fixing equipment and facilities that are rebuilt, replaced or
debugged by Party B arbitrarily.
 2.5
    
    Party A is obliged to ensure the normal operation of all the lifts, the fire
extinguishment facility, safety instrument, air conditioning and other instruments of
Beijing Suntrans Office Building through its designated property management company, and
to provide the services prescribed hereunder on the condition that Party B undertakes its
obligations set out herein.
 2.6
    
    Party A is obliged to keep the exterior wall of Beijing Suntrans Office Building
clean through its designated property management company, unless such work should be done
by the lessees or the users according to laws or regulations. Party A shall ensure the
environment hygienism of the public area of the House and keep the sanitary facility in
good condition.
 2.7
    
    Conduct all the necessary decoration to the public area of the House when Party A
and its agency deems necessary.
 2.8
    
    Provide 24-hour security guard, heating and cooling service per seasonal work day.
 Article 11 Rights and Obligations of Party B
 1.
    
    Party Bs Rights
 1.1
    
    Party B is entitled to use the House on its discretion without party As illegal
interference.
 1.2
    
    Party B is entitled to use the free public facilities of the office building
reasonably and properly.
 1.3
    
    Party B is entitled to propose the corresponding opinions or plans to improve the
services provided by Party A or by the property management company under the
circumstances that Party B deems that the services has flaw.
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2.
    
    Party Bs Obligations
 2.1
    
    Fully Pay off the rental, the deposit and other fees as set out herein in time.
 2.2
    
    Party B must abide by all the provisions hereunder, the appendixes to the contract
and the rulings of the property management company.
 2.3
    
    Properly use the instrument within the House and at the public area, properly use
the public facility, system, instrument and the auxiliary (including but not limited to
air-conditioning, heating instrument, fire control device, lighting equipment, cable and
electric lines, tunnel of circuit, floor, walls, ceiling, windows and sanitary ware etc.
), not conduct any damages and obliged to keep the aforesaid facilities and area clean.
Under the circumstances that damage has been done to the facilities of the aforesaid area
or to the public facility, the system, the instrument and its auxiliary (except the wear
and tear, the force majeure events), the lessee shall bear the cost for repairing.
 2.4
    
    For the avoidance of exceeded power load beyond standard and when it plans to
install indoor electronic instrument due to work request, Party B shall obtain written
consent from Party A and the property management company before the installation.
Otherwise Party A or the property management company is entitled to issue rectify and
reform notice to his conduct, provided Party B fails to carry out such notice, Party A is
entitled to terminate the contract unilaterally and confiscate the deposit Party B has
advanced.
 2.5
    
    Party B shall not install, alter the facility, the instrument and the space in
between, nor shall it place on the House floor any item weight exceeding the planed load
(the weight load of the House is 200 kg per square meter). Otherwise Party A or the
property management company is entitled to issue rectify and reform notice to his
conduct, provided Party B fails to carry out such notice, Party A is entitled to
terminate the contract unilaterally and confiscate the deposit Party B has advanced.
 2.6
    
    Party A shall not place on any area of the office building and within the House any
dangerous items, including but not limited to weapon, ammunition, saltpeter, powder,
kerosene or other items that are
flammable and combustible or dangerous. Neither shall it produce, cause or leak any gas
that has strong odd smell or might cause environment pollution.
 2.7
    
    Party B shall not, within the House or at the public area, produce or store
commodities or merchandises, but a small quantity of samples or items for display is
allowed provided it is related to Party Bs business and party A has approved it.
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2.8
    
    Party B shall not change the office purpose of the House on its own discretion.
Without written consent from Party A or from the property management company, no one is
allowed to cook or stay overnight in the unit, etc. (exclusive of heating up the food or
making beverage).
 2.9
    
    Within the lease term, Party B must possess valid business certificate, business
license, permit or the related certificates required by certain profession issued by
related departments or organs of the country, and shall send a copy to Party A for record
before its formal entrance.
 2.10
    
    Party B shall not conduct any illegal activities and business, nor shall it carry
out activities that might impair or affect Party A or others within the office building.
 2.11
    
    Party B shall not pile up or detain any cargo, furniture, rubbish in the lobby of
the office building, on the stairs, in the aisle, or at other public area, it shall not
block the aforesaid places or evacuation exit for fire control purpose or affect the use
of fire control facility, it shall not host exhibition, distribute promotion items or
engage in other business activities occupying the public area, neither shall it conduct
auction within the aforesaid area or such unit.
 2.12
    
    Shall not produce any noise affecting others, shakes and harass to third parties,
including but not limited to, sound sent from television, radio or other items unless it
has been permitted (but the volume should be kept within a scope the lessor allows).
 2.13
    
    Party B shall be responsible on its own for the fire control work, physical and
property safety and security within the leased place.
 2.14
    
    Any behavior of people who is associated with Party B as well as use or enter into
the House with Party Bs permit should be deemed as Party Bs behavior for which Party B
shall bear full liability.
 2.15
    
    Without Party As permission, Party B shall not set up or exhibit any word, logo,
advertisement or promotion items etc outside the House or on any part of the office
building (including the outer wall, outdoor of the office, or through any window gate or
window ). Party B is allowed to display the name and logo of the lessee on the indicator
panel (if any) in the lobby of the office building at its own
expense.
 2.16
    
    Party B shall not proceed or permit others to conduct any activity that leads to
the invalidity of the insurance on the office building or might cause such insurance
invalid. Under the circumstances that Party B violates this provision, which causes Party
A to file the insurance again, Party A is free from paying the insurance fee and other
relevant expenses. Should Party Bs violating the said provision lead to the invalidity
of the insurance on the office building and Party A thereby could not get the
compensation or the insured amount decreases, Party B should compensate Party A for the
losses hereof suffered.
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2.17
    
    Party B shall purchase enough and valid property insurance for the property within
the House. Party B shall submit a full set of the documents to prove that it has
purchased the aforesaid insurance and Party A shall not liable for any physical injure
and property damage occurred within the House.
 2.18
    
    Party B undertakes to waive the priority right for purchasing the House. Party A
could sell or transfer the House to any third party without Party Bs permission and
party B consents that all the rights and obligations of the lessor set out hereunder
could be performed by the transferee as the sole party.
 2.19
    
    Unless permitted by Party A, Party B shall not lease, transfer or share the House
with others, neither shall it conduct any activity that might impair partys right as the
only legal owner of the House.
 Article 12 Contract Termination and Compensation
 1.
    
    In the event that Party A fails to handover the House on lease commencement date without
reasonable causes, Party B is entitled to terminate the contract and require refund of all
the payments specified hereunder from Party A.
 2.
    
    Provided Party B fails to pay the rental, all the deposits and the property management fee
as prescribed hereunder on time and in due amount, Party A is entitled to terminate the
contract and require Party B to pay the rental for period from the commencement date to the
termination date (including the rental for free period). Further, Party A reserves the right
for compensation, should such default event cause any other damage to Party A.
 3.
    
    Under the circumstances as following, Party A is entitled to terminate the contract
unilaterally and withdraw the House, Party B shall not require a refund of all the deposits
it has submitted according to Clause 5 but leave it as the default charge. Should such
default event cause any other damage to Party A, Party A reserves the right for
compensation.
 3.1
    
    Change the business purpose of the House without Party As consent, sub-lease,
transfer or jointly use the House with others, or conduct any other activities that might
impair Party As right as the only legal owner of the House.
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3.2
    
    Party B conducts illegal operational activities within the House.
 3.3
    
    Party B could not continue operation due to bankruptcy or liquidation (except
merger or winding-up through reconstruction), or its primary item within the House has
been sealed up or seized by law enforcement entity.
 3.4
    
    Party B fails to advance the rental, the property management fee and other payment
set out hereunder 30 days after they mature.
 3.5
    
    Party B fails to perform its related obligation or violate the related provisions
hereunder and does not remedy such default behavior 30 days after Party As written
notice.
 4.
    
    Under the circumstances that Party A terminates the contract in advance without written
consent from Party B during the lease term, Party A and the property management organ shall
refund the leasing deposit in full amount to Party B and shall compensate party B in an
amount equal to the deposit.
 5.
    
    After the contract is terminated, Party B shall move its stuff and items out of the House.
Any Party Bs decoration, furniture, device, article, material, equipment or other stuff
left in the House upon handover will be deemed as disregarded by Party B. Party A is
entitled to dispose such items and Party B shall not claim against Party A and ask for
compensation hereof in addition, Party A is entitled to claim from Party B all the costs
incurred in connection with elimination, clearance and disposition of the aforesaid items.
 6.
    
    Under the circumstances that the contact can not be performed due to a force majeure event
set out under Clause 13 herein, either party is entitled to terminate the contract. Party A
shall refund Party B all the deposits(bearing no interests) set out under Clause 5 herein 15
work days after Party B completes the checking out procedures.
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Article 13 Force Majeure
 1.
    
    Under the circumstances that the contract can not be carried out due to earthquake,
typhoon, torrential rain, fire, war, riot, material changes of the national laws &
regulations and other unforeseeable force majeure events that both its happening and the
effect are beyond the reasonable estimate and control, the party encountering force majeure
shall promptly notify the other Party through telegraph, facsimile or other reasonable
means, and shall, within 15 days after the occurrence of force majeure, issue proving
documents stating the causes why the contract can not be performed in all or in parts with
force majeure description provided by the local Public Security Bureau, or stating the
causes for extension. The party encountering force majeure shall thereby be exempted from
the compensation liability owning to the other party.
 2.
    
    In the event that the House is unavailable for leasing due to force majeure event or causes
other than Party Bs fault, Party A shall promptly revert the House to status available for
leasing after it obtains the insurance compensation in full or in part. Provided the House
can not be repaired or rebuilt one month after the House is damaged, either Party is
entitled to terminate the contract with a written notice issued to the counterparty after
the aforesaid term expires. Party B is free from paying rental during the aforesaid term of
unavailable leasing. Should part of the House is available for leasing and resume the
function for use, Party B is allowed to proceed using that part with consent drawn from the
negation between the parties but shall pay the corresponding rental and other fees.
 Article 14 Dispute Resolution
 1.
    
    The establishment, effect, performance and interpretation of this contract and its dispute
resolution shall be governed by the laws of P.R.China.
 2.
    
    Any dispute in connection with the performance of this contract shall be resolved through
amicable negotiation between the Parties. Provided such dispute can not be resolved through
negotiation, the Parties choose to file a lawsuit to the Peoples Court.
 3.
    
    The litigation fee and lawyers fee incurred in connection with the dispute of this
contract shall be born by the losing Party.
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Article 15 Miscellaneous
 1.
    
    In case of any discrepancy between the contract and all the agreements, the memorandums,
letters & telephones etc that are signed by the Parties before the execution of this
contract, the contract will prevail.
 2.
    
    Each clause of this contract shall be construed independently. Provided a certain clause
becomes invalid by verdict, the legality of the remaining provisions of this contract shall
not be affected or impaired thereby.
 3.
    
    This Contract is signed in 4 counterparts with each Party holding 2 copies, and all the
copies are equally authentic.
 4.
    
    This contract comes into effect upon signing and stamping by the parties. Supplementary
agreement shall be executed to address the unsettled matters. All the supplementary
agreements, appendixes, attached agreements are unseverable part to this contract and shall
have equal legal effect.
 Lessor (Party A): Beijing Suntrans Real Estate Development Co. Ltd.
 Signature or stamp
 Date
 Lessee
 (Party B): Fortune (Beijing)  Wisdom Technology Co., Ltd
 Signature or stamp
 Date
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