... stainless steel tubes/pipes *Brand: BAOFENG *Origin:Zhengjiang, China *Short delivery low price *ISO:9001:2000 Seamless stainless steel tubes1. Grade:201.202.301.304.304L.321.316 ... , ASTM, DIN, GB, JISAISI, ASTM, DIN, GB, JISAISI, ASTM, DIN, GB, JISAISI, ASTM, DIN, GB, JISGRADE201,202,304,304L,316,316L,309s,310s201,202,304,304L,316,316L ...