... of stainless steel tube/pipes, both seamless and welded ones, and relevant products in China. Our products are ... as petroleum,chemistry,architecture,food,pharmacy,electric power,and boiler heat exchangers.Diameter6-630mmThickness0.5-60mmStandardsAISI/ASTM/GB/ ... 316L,317,317L,310SApplicationPetroleum ,Chemical ,Medical equipment,boiler heat-exchanger and other fields.Packinga.each or several in plastic ...