... black, engraving fonts 3,ROHS products Product name MP4 computer headset aluminum shell Materials Available1. Stainless Steel: SS201 ... plating, yellow passivation, gold passivation, galvanizing, satin, etc.Processing Methodcnc machining, turning, milling, drilling, grinding, broaching, welding ... with the high quality and low price .Mainly processing and manufacturing various kinds of metal parts and ...