... .OEM service provided. 3.Material:200,300,400 serie stainless steel CNC part for stainless steel1.Grade:AISI316L,316,310S,310,303,304,317 ... ,321 AISI410,420,430,430F,431,416 AISI201,Y201Cu,202 PH-4 ... ,turn smooth(peeled),brush,mill,pickled.3.OEM service provided.4.Process/treatment:cutting,stamping,perforating,bending,p;ating,powder,coating ...