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                                                                   Exhibit 10.11

                           SUPPLEMENTARY CONTRACT (II)

         First Party:  Guangdong Zhuhai High-technology Results
         Industrialization Demonstration Base Co., Ltd.

SECOND PARTY:     ZHUHAI OPLINK COMMUNICATIONS TECHNOLOGY CO., LTD.

         Pursuant to the ECONOMIC CONTRACT LAW OF THE PEOPLE'S REPUBLIC OF CHINA
and related laws, First Party and Second Party, having conducted amicable
consultations in adherence to the principles of mutual benefit, mutual support,
and shared growth, reach the following agreement:

(1)      Pursuant to the provisions regarding "Exemption within the zone from
         the increased power and water capacity fee and 20% drop in electricity
         and water prices" in the Zhuhai (Guangdong Province) Municipal
         Government Document No. (2000) 21, and in accordance with the "they who
         use shall invest" principle for construction of transformer and
         distribution facilities, Second Party urgently needs, on account of the
         actual rapid expansion of its production at the Base (Guangdong Zhuhai
         High-technology Results Industrialization Demonstration Base), to
         establish two transformer and distribution facilities with capacities
         of approximately 1,000 KVA each (said facilities include: high-tension
         lines, high-voltage board, transformers, low-voltage distribution
         facilities, low-voltage transmission facilities, distribution housing,
         and other such facilities connecting from No. 1 Factory Building,
         hereinafter abbreviated as transformer and distribution facilities).

(2)      Title to the transformer and distribution facilities demanded by Second
         Party shall belong to Second Party after Second Party has invested the
         funds and completed construction. First Party shall assist Second Party
         with performing the relevant formalities such as reporting on
         construction.

(3)      First Party shall, for consideration, provide Second Party with the
         building unit needed for construction of the transformer and
         distribution facilities: The building unit is located at First Floor of
         First Party's Factory Building No. 2. The building unit area is 116.83
         square meters (the final use area plus a reasonable portion of the
         common area). First Party shall collect from Second Party rent and
         service fees amounting to 12 yuan per square meter monthly fees (rent
         of 3 yuan per square meter per month, with the balance being service
         fees). The building will be leased for five years (from June 1, 2000 to
         May 30, 2005). Building property management fees, rent increases, and
         water and electricity charges shall be paid according to the terms in
         the relevant lease for Factory No. 2 (expenses are calculated in the
         same ways as for floors 3, 4, 5, and 6 of Factory Building No. 2).

(4)      If, after all the contracts and agreements made between Second Party
         and First Party expire, Second Party does not lease First Party's
         property again, First Party promises that it shall at that time
         repurchase the transformer and distribution facilities that Second
         Party constructed itself. (After First Party repurchases, title shall
         belong to First Party.)

         The price at which First Party purchases the transformer and
         distribution facilities of Second Party = the original price of Second
         Party's transformer and distribution facilities

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         -- (Years of use x Annual depreciation expense for Second Party's
         transformer and distribution facilities) -- Scrap value of Second
         Party's transformer and distribution facilities -- Cost of repairing
         equipment.

         Where:

                  The depreciation period for Second Party's transformer and
                  distribution facilities is eight years, the depreciation
                  method is the straight-line method, the scrap value of Second
                  Party's transformer and distribution facilities is 5% of the
                  original price of Second Party's transformer and distribution
                  facilities, and the cost of repairing the equipment refers to
                  transformer and distribution facilities repair costs incurred
                  during the period of use by Second Party.

(5)      The original price of Second Party's transformer and distribution
         facilities is determined according to the bid invitation price. It
         shall be the lower of the budget price according to the budget and
         financial statement center of the Bank of Construction and the actual
         bid invitation price.

(6)      The use period for Second Party's transformer and distribution
         facilities begins on the day that Second Party's transformer and
         distribution facilities have been completed and have passed an
         acceptance check. After Second Party completes construction of the
         transformer and distribution facilities, it shall provide the relevant
         contracts and technical drawings to First Party so that it can use them
         to determine the original price of Second Party's transformer and
         distribution facilities. When First Party repurchases Second Party's
         transformer and distribution facilities, Second Party shall guarantee
         that the entire set of equipment can function perfectly. Moreover, it
         shall provide First Party with the entire set of drawings, acceptance
         information, and necessary documents.

(7)      This agreement takes effect after the two parties sign it and affix to
         it their seals.

(8)      This agreement exists in duplicate. Each party possesses one, and each
         has equal legal effect.

(9)      This contract is a supplementary contract for contract (Yue-Ke-Ji-Di
         2000-011).

Seal of First Party:                                    Seal of Second Party:
Guangdong Zhuhai
High-technology Results Industrialization
Demonstration Base Co., Ltd.

Legal Representative of First Party:      Legal  Representative of Second Party:
/s/ illegible                             [seal:] Co., Ltd.

         Date: [illegible] 28, 2000 (Zhuhai, China)