Contract

Exhibit 10.31

10.31 Electricity Sales Agreement between Xiangrui Pharmacy and
Shandong Xinrui Chemical Devices Co., Ltd.

Party A (Supplier): Shandong Xiangrui Pharmacy Co., Ltd.

Party B (Purchaser): Shandong Xinrui Chemical Devices Co., Ltd.

• General Information

• Pursuant to the contract Shandong Xiangrui Pharmacy Co., Ltd. supplies electricity to Shandong Xinrui Chemical Devices Co., Ltd.

• The price should be RMB 0.68679/KWH, the supply term is from January 1, 2009 to December 31, 2014.

• The disputes between each party shall be resolved by local court.

• Headlines of the articles omitted

• Packing

• Miscellaneous