... passivation, gold passivation, galvanizing, satin, etc.2.Processing Method: cnc machining, turning, milling, drilling, grinding, broaching, welding and assembly. ... years technical experiences, we are engaged in the hardware for many years,we have been in constant pursuit ... ourself to smile to each customer1)Details: Product name cnc machining part Material1.Stainless Steel: SS201, SS303, SS304, SS316 ...