... Stamping part 1.material including iron,steel, stainless steel,copper,aluminumetc 2.accurate in ... metal props. Materialcarbon steel,galvanized steel sheet,iron,stainless steel,galvanized iron,copper, brass,aluminum,alloy steel,tinplate and other metals ... ISO9001:2000 ,ISO14001:2004 Certification,with reliable quality assuranceQuality standard comply with international quality standards Pictures shown ...