Xinxiang Haishan Machinery Co.,LTD. is specialized in custom-made 50 mm - 2500 mm of brass bushing, tin bronze bushing, lead bronze bushing, copper busbar, copper collar, brass fitting, copper bag big iron worm gear, worm gear, big bronze nut, seal ring and etc. Among these, cone crusher spare parts, frame bushing, main shaft bushing, the thrust bearing, eccentric bushing are my company's strengths. The partial products by centrifugal casting, density, high strength, no stomata trachoma, the service life of two to three times that of ordinary sand mold casting. They can be customized according to user's requirements of various national standard and non-standard material. We offer good quality, low price and on-time delivery. We always  welcome new and old customers for every advice and suggestion on our products and services.