... ,polishing 4.Certificate:SGS,BV,ISO Itemhigh quality stainless steel bar,stainless steel bar, stainless steel rod,hot rolled stainless steel bar,cold rolled stainless steel rodModel No.304,304L,316,316L,316Ti ... ,317,317L,321,347,347H,405,410,410S,409S,420,430,201 ...