+ISO9001:2008 CE RoHS for soft coil copper tube box +Provide OEM service +Flexible MOQ:20pcs + ... drilling, skiving,deburring,fine blanking,soldering,bonding, punching, stamping,milling, CNC machining,polishing 2 surface treaments for heat ... Iron(SPCC, SECC, SPTE, Tinplate), Aluminum Alloy, Red copper, Brass, Bronze alloy or according to your request.5. ... . jis h3300 metal box,soft coil copper tube box