... :500 pieces SpecificationAccording to your requirement.MaterialStainless steel, copper, brass, carbon steel, aluminum (according to customer ... -plating, Ni-plating, Cr-plating, Tin-plating, copper-plating, the wreath oxygen resin spraying, the heat ... requirements.Our featuresA company with industry and trade integrationMain ProductsDowel pins, inserts, pin, automobile fittings, shaft, nut, sleeve, door ...