... 3834-3, ISO9001:2008 3.Benz's supplier custom made metal machine partsMaterialiron or other metal meterialServiceOEM, ODMQualityISO9000: ... Steel, stainless steel, carbon steel, aluminum, zinc, brass, plastic etc.Making process: Stamping, deep drawing, bending, punching, ... supplier of welding seat base Quality certificat: ISO9000:2008 , EN15085-2, ISO3834-3 High technique of welding, stamping, ...