Wenzhou Guohao Steel Co.,Ltd is a professional manufacturer of stainless steel seamless tube in China.We were founded in 2008.We have an throughput of seamless stainless steel pipe&tube 12,000 metric tons per year.Products:Grades: 304, 304L, 321, 321H, 310S, 347H, 316, 316L, 316Ti, 317L, 904L,S31803 etc.Technology: cold drawn/rolledSize:Outer diameter: 6 to 830mmWall thickness: 1 to 60mmLength: maximum 18,000mm or customizedCustomized sizes are acceptedStandards:1.GB/T 14975-2002, GB/T 14976-2002, GB 13296-2007, GB 9948-2006 and GB 5310-952.ASTM A312, ASTM A213, ASTM A269 ,ASTM A511 ,ASTM A789 and ASTM A7903.JIS 3463 and JIS 34594.DIN 2462, DIN 17458 and DIN 174565.GOST 9941The pipes and tubes are widely used in such industries as chemical industry,petroleum,medicine, food, energy, electric power, aeronautics and astronautics, environmental protection, boiler gas, war industry, machinery, nuclear power, construction, shipbuilding and etc.