description:brass/steel pipe thread/screw material: brass C60, ASTM B16 description:brass/steel pipe thread/screwmaterial: brass C60, ASTM B16We are specialized in metal parts production, our metal products supply to Benz Truck company and GM automotive,we can make wide range of stamping part, extruding part, machining part and casting part. We can make many kinds of surface treatment, such as ...
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