Shanghai Bao transmission chain is also affiliated with Hangzhou Donghua Chain Group Co., Ltd., founded in 2013, the company has professional management "Donghua" (DONGHUA), "self-reliance" chains, sprockets, gears, racks, and other types of couplings transmission parts. Hangzhou Donghua Chain Group has self-Chain Transmission Co., Ltd., a wholly owned subsidiary of five, and in 2007, a wholly owned Xinghua in Jiangsu Donghua Gear Co., Ltd., is a containing chains, sprockets, gears, and other Transmission products manufacturing enterprises, 500 private enterprises, China General Machine Components Industry Association branch president chain drive units. (more>>)