... --5mmwidth10mm--30mmlengthaccording to the customers' requirement material quality 201,202,301,304,316,321,347,410 tolerance ( ... components, pipe, needles, etc our mainly products stainless steel sheets,stainless steel pipes, stainless steel strips,stainless steel bars,and so on introduction to our company we ... material quality are divided into many series such as 201,202,304,304N,304L.305,309s,321 etc ...