sliding block use the CAC304C bronze spare part Yongcheng Group, is a large copper sets of domestic manufacturers, one specializing in the ... 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. Sliding Block