1, metal machining part 2, ISO Certificated 3, Tolerance:0.01~0.02mm 4, ... Capacity:0.5~1020mm 5, 8 years OEM metal machining part About usYaopeng was founded in 2005 as a leading manufacturer ... ) Material: Steel, Brass, Copper, Stainless steel, Plastic, Aluminium, POM, Delrin, Titanium Alloy etc.2) Surface treatment:Zinc plating, Anodization, Chemical fim ...