Yongcheng Group, is a large copper sets of domestic manufacturers, one specializing in the production of various grades of copper products, Group registered capital of 1.08 billion yuan, covers an area of about 42, 250 square meters, plant area of 18, 000 square meters, more than 200 employees, asset size of 100 million yuan super. Group have Changsheng Machinery Co., Ltd., Zhejiang, Zhejiang Yongcheng Machinery Company, Zhejiang Yong Jun Machinery Co., Ltd., Zhejiang Yongcheng Metal Materials Co., Ltd., Shanghai, Hong Ke-oil-free sliding bearing Co., ***** Yongcheng Machinery Co., Ltd. which is founded first began in 1984. Group has five series of products: 1, Crusher bearings series 2, copper vulcanizer sets series 3, self-lubricating bearings Series 4, punch series 5, Others: aluminum castings, zinc-based alloy sets, copper bushings, sleeve, copper, brass