1,pneumatic spare parts 2,ISO Certificated 3,Tolerance:0.005~ ... spare parts About usYaopeng was founded in 2005 as a leading manufacturer specializing in various metal parts, including CNC machining, stamping metal parts, ... & ploshing etc.3) Processing equipments:CNC machining center, CNC lathe, grinding machine, automatic lathe machine, conventional lathe machine, milling machine, drilling machine, ...