Hangzhou Donghua Chain Group Co., Ltd. (originated from Hangzhou Donghua Chain General Factory), one of the largest chain manufacturers in China, has five subsidiaries including Hangzhou Ziqiang Chain Drive Co. Ltd, Hangzhou Dunpai Chain Co., Ltd. and Hangzhou Donghua Power Transmission Imp.&Exp Co., Ltd. etc. Hangzhou Donghua Chain Group Co., Ltd. was founded in November 1991. It covers an area over 300 mu with building area more than 200000 square meters. Its capital value RMB200 million Yuan. There are more than 2000 sets of equipments. Its annual capacity is more than 30 million meters. In 2006, the total sales income was RMB 725 million Yuan, which includes the export sale of US50 million Dollars. There were nearly 700 kinds of new products in 2006. Since 1999, it has been leading in China’s Chain Industry for its comprehensive strength. In 2000, it was selected as a member of Chain Drive Branch of China General Machine Components Industry Association and was reappointed in 2005. Donghua amalgamated Hangzhou Dunpai Chain Co., Ltd. and Changzhou Dongfeng Agricultural Machinery Co., Ltd. in 2003. From then on, Donghua has widened its business from manufacture of parts and accessories to production of whole machine.