Origin: Henan, China (Mainland) Brand Name: Dashan Model Number OEM Type: Sleeve, copper bushing Material: Bronze Application:Spring, Symons, Mesto cone crusher Special design: Flanged Feature: Wear resistance parts Processing: Casting Drawing: Welcome Tolerance control: 0.002mm Certification: ISO9001 Machining: Milling,drilling High anti-wearing oem kinds of machinery used casting copper bronze bushing brass bushing Widely used in ore mining machines, construction machine and metallurgy and other high loaded large heavy machinery Strict casting processing control, make the tolerance less than 0.003mm Long working life and smooth surface treatment