... 3834-3, ISO9001:2008 3.Benz's supplier deep drawing rack for Building IndustryMaterialiron or other metal meterialServiceOEM ... Steel, stainless steel, carbon steel, aluminum, zinc, brass, plastic etc.Making process: Stamping, deep drawing, bending, punching, threading, welding , ... Quality certificat: ISO9000:2008 , EN15085-2, ISO3834-3 High technique of welding, stamping, bending, coating, injection ...