we are professional manufacturer, exporter adn stocklist of stainless steel seamless pipes with grade of TP304/304L, 321/321H, 316/316L, 310/S, 321/H, 904L, S31803/2205, S32750/2507,31254Mo and nickle alloy pipes. Size:6-630mm, W.T.0.8-30mm, L: up to 16m. Standard: ASTM/ASME A/SA213, 269, 312, EN10204, EN10216-5, DIN, GOST9941, JIS3459 for more than 15 years,welcome you inquiry and cooperate.