... deep drawing machining ,welding and assembly 7) All kinds of surface treatment are available, polishing ,zinc plating ,nickel ... bag, cartonStandardROHS standardProductivitypcs/monthPayment TermT/T, L/COriginDongguan of Guangdong in ChinaTransportationBy sea,by air by express main ... quality control department 5.considerable aftersale service 6.on time delivery raw material AL,SUS,SECC,SPCC,SGCC, ...