Hangzhou Donghua chain group co., LTD. is a well-known international chain drive enterprise integrating global r&d, manufacturing, marketing and market service. Since 1999, it has ranked the No.1 chain drive industry in China and the second chain drive industry in the world.It is one of the first batch of champion demonstration enterprises in China's manufacturing industry, one of the top 500 enterprises in China's manufacturing industry, one of the top 500 enterprises in China's private manufacturing industry, and one of the top 100 enterprises in China's machinery industry. Five manufacturing bases around the world with Hangzhou in China, XingHua China, wuppertal in Germany, Poland, Japan ishikawa. Six wholly owned domestic subsidiaries, ZIQIANG, DUNPAI, XingHua and Eight overseas subsidiaries,such as Donghua industrial in Germany, United States,Netherland, has become a global production chain industry the most complete varieties, the most widely application field chain professional manufacturing enterprise.DONGHUA has become the global chain drive industry production variety most complete, the application field most extensive one of the manufacturing enterprises.