1.stainless steel 304 2.1mm 3.201,202,301,303,304,304L,305,316,316L etc. 4.nickle: 8% 5.iso 9001 ... 10 years.Specifications:1) Grade: 201,202,301,303,304,304L,305,316,316L,321,410,416,420,430... 1.4301 ... rolls preparing to be rolled with reels.stainless steel wire is annealling.stainless steel wire are packed with pvc film(inside)and weaving bag ...