manufacturer of stainless steel tube,welded tube, grade 201 202 304 square round ,spiral,golden tube We are a professional ... manufactory specialized in cold drawing stainless steel pipeonline for many ... AISI201 AISI304 SUS201 SUS304.Features:1) Material of stainless steel: grade: AISI 201, 202, 301,304, 304L ... 30,31.8 ,35,36,38,40,42,45, 47,48,50.8,60,63,76,88. ...