We are a gold supplier in alibaba.Founded in 1993, Jinhua Chengkai Copper Lead Metal Strip Co., Ltd. is a new-tech enterprise of Zhejiang Province. Chengkai Company is the member of Friction and Invalidation Analysis Institution of China Gas Engine Bearing Committee, and is professional in researching, developing, producing and selling copper lead metal strip, the special material for sliding bearing of gas engine. In 2001, the company imported the production line a technology of water pulverized copper base alloy powder from America, which expanded the production of copper base alloy...