Dear, sir or ma?dam
  I am Mr. bobby zheng (Huicheng stainless steel Co.,Ltd) Zhejiang,China.
Our company is specializing in producing stainless steel seamless pipes, welded pipes.
And our company located in stainless steel seamless pipes production base&＃8212;Long wan area. Wenzhou ,Zhejiang.
  Our company?s products , specification and standard as following:
1.Material: 201, 202, 301, 304, 304L, 310S, 316, 316L, 317, 317L, 321, 347, Duplex SS, S31500, S31803, S32750
2. Product specification: OD2-530mm x WT0.2-30 mm
3. Executive standard: ASTMA312M, ASTMA269, ASTMA213, ASTMA511, ASTMA554, JISG3463, JIS3446, JIS3448, JIS3459, DIN17456, DIN17458, DIN2462, GB14975, GB14976, GB13296
And if your company?s inquiry all need  the above ,please give your order., we will provide 100%customer satisfaction. And t keep the quality of the products.