SOHO Modern City, 88 Jianguo Road, (Beijing, China) Lease Agreement - Hao Zhangang, Hao Jianing, Meng Caixia, Beijing Blue Sky Yunda Technology Development Co. Ltd., Beijing Stone Rich Sight Information Technology Co. Ltd., and Scite International Property Management Co. Ltd.


          SUPPLEMENTAL AGREEMENT TO THE LEASE AGREEMENT OF MODERN CITY


Party A:                   HAO ZHANGANG, HAO JIANING, MENG CAIXIA
                           (Collectively, "Owner")

Number of Identity Cards:  HAO Zhangang: 110101620910257
                           MENG Caixia:  320302640319324
                           HAO Jianing:  NO IC card
Domicile:                  1st Floor, Blue Sky Office Building, 58 Fengtai Road,
                           Fengtai District, Beijing.

Party B:                   BEIJING BLUE SKY YUNDA TECHNOLOGY DEVELOPMENT 
                           CO., LTD. ("Lessor")
Registration Number:       1101062178142 (1-1)
Registered Address:        Blue Sky Office Building, 58 Fengtai Road, Fengtai 
                           District, Beijing
Legal Representative:      HAO Zhangang

Party C:                   BEIJING STONE RICH SIGHT INFORMATION TECHNOLOGY 
                           CO., LTD. ("Lessee")

Registration Number:       Qi He Jing Zong Fu Zi NO. 006990
Registered Number:         A1 Wanquanzhuang, Haidian District, Beijing
Legal Representative:      MAO Daolin

Party D:                   SCITE INTERNATIONAL PROPERTY MANAGEMENT CO., LTD.
                           BEIJING SCITE MODERN BRANCH ("Property Manager")
Registered Address:        SOHO Modern City, 88 Jianguo Road, Chaoyang District

WHEREAS:

The Owner, Lessor and Lessee have entered into the Lease Agreement of Modern
City ("Lease Agreement"). In accordance with the Lease Agreement, the Lessor and
Owner lease the office unit on 16th floor of Block C, Party A of SOHO Modern
City, 88 Jianguo Road, Chaoyang District, Beijing, China. The lease property is
managed by the Property Manager. To specify the rights and obligations of all
relevant parties in relation to the use and management of the lease property,
after friendly consultation, the relevant parties have reached the following
agreement:

1.   The Owner and Lessor have agreed that the Lessee, as the user of the lease
     property, has the same right to use the lease property as that of the Owner
     during the term of the lease. The right to use the lease property herein
     includes but not limited to the rights of property owners stipulated in the
     Covenants of Use, Management and Maintenance of SOHO Modern City Property,
     approved by 


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     Beijing Municipal Bureau of House and Land Administration with the approval
     number of Wai Zi No.148, attached herewith as Schedule I, excluding the
     ownership right, the right to dispose of the property and the right to
     benefit from the property.

2.   All the parties hereto have agreed that the Lessee, as the user of the
     lease property, has the same right to enjoy property management services of
     the lease property as that of the Owner during the term of the lease. The
     property management services herein includes but not limited to the
     services contained in the Service Guide attached herewith as Schedule II
     and the Network Service Guide of SOHO Modern City attached herewith as
     Schedule III. The Property Manager warrants and undertakes that usual and
     continuous property management services will be provided to the Lessee from
     the date on which the Lessee occupies the lease property.

3.   In addition to the property management services, the Owner, Lessor and
     Property Manager agree to provide the following extra services:

     (1)  to cooperate with the Lessee and provide necessary conditions for
          decoration of the lease property;

     (2)  to install separate electricity meter free of charge;

     (3)  to supply power not lower than 70 KW, and provide necessary assistance
          for Lessee's internal power supply system;

     (4)  to provide all necessary assistance and cooperation in applying for
          and maintaining separate and independent lines;
  
     (5)  to provide all necessary assistance and cooperation in applying for,
          using and maintaining direct-dial telephone lines, trunk lines,
          internal telephone networks and Intranet.

4.   The fees payable for the services to be provided not free of charges by the
     Property Manager in addition to those covered by property management fees,
     shall be paid directly to the Property Manager based on the actual
     services. Power bills, telephone bills and other telecommunication bills
     shall be paid directly to the relevant authorities.

5.   If the Owner, Lessor and Property Manager default against their respective
     obligations, the Lessee is entitled to demand specific performance from the
     defaulting party. If within ten days after the Lessee's demand, the
     defaulting party fails to rectify its defaults or fails to take sufficient,
     effective and timely remedial actions and to fully compensate the Lessee
     for its losses attributable to the defaults, the Lessee is entitled to
     demand a deduction in relevant amount from the property management fees
     included in the rent. If the dispute is not reasonably and appropriately
     resolved, the Lessee is entitled to unilaterally terminate the Lease
     Agreement, and reserve the right to seek compensation.


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6.   The Owner, Lessor and Lessee have agreed that this agreement is the
     supplemental agreement to the Lease Agreement, having equal binding effect
     with the Lease Agreement.

7.   This supplemental agreement becomes effective upon the signatures of all
     the parties hereto, and terminates upon the termination of the Lease
     Agreement.


Owner:  HAO Zhangang, HAO Jianing, MENG Caixia

Signatures:          /s/       
                ---------------

Date: January 2002

Lessor: Beijing Blue Sky Yunda Technology Development Co., Ltd.

Authorized representative:          /s/        
                               ----------------

Date: January 2002


Lessee:    Beijing Stone Rich Sight Information Technology Co., Ltd.

Authorized representative:          /s/        
                               ----------------

Date: January 2002


Property Manager: Scite International Property Management Co., Ltd. Beijing
Scite Modern Branch

Authorized representative:          /s/        
                               ----------------

Date: January 2002



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