... We own various kinds of machines to engage in stamping,CNC punching, CNC bending,milling,drilling,tapping,silkscreening,welding ... ,progression die,grinding,riveting,etc.2.Material: stainless steel, brass, copper, aluminum, iron(SGCC,SPCC,SECC),etc ... Certificate and Good faith enterprise certificate.9.OEM service is welcome.10.Tailor-made packaging method according to customer's requirement ...