Stainless steel welded Boiler and Heat exchanger tubes Name: Stainless Steel Tube welded2.Standard: JIS, GB, DIN, ASTM, EN, AISI3.Materials: AISI ... , etc.8.Best products+best price+best serviveName: Stainless Steel Tube welded2.Standard: JIS, GB, DIN, ASTM, EN, AISI3.Materials: AISI ...