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Zhejiang Dewei Stainless Steel Pipe Industry Co,Ltd. is a professional enterprise producing stainless steel pipe, located in the "Yangtze River Delta," the center of Jiaxing City, Zhejiang, sea and air traffic is very convenient.      Strict Implementation of China products American ASTM, European EN, Chinese GB standards. The company is mainly used in material: Duplex stainless steel S32750-2507, S31803-2205, Austenitic stainless steel 904L,310S, 309S, SUS316L, SUS321 and SUS304L, 304,409L,430 and 201 and so on.      The company introduced the German side welding and double forming plasma welder, welding performance is a national leader in the industry, can be both inside and outside polishing, pickling, annealing. Stainless steel pipe is widely used in petrochemical, paper, environment protection, pharmaceutical, food, bio-engineering, urban water supply and drainage engineering industries, the products, high technology, compared with the stainless steel seamless pipe, there is a wide range of product coverage, the wall thickness uniformity, high precision, wall smooth, no pitting, good quality and so on.  Production area covering 200,000 square meters, production workshop 150,000 square meters. Annual output of more than 20,000 tons of stainless steel pipe. Stainless steel welded tube produced can be divided into single-slit and girth: single slit (Φ6-Φ711), wall thickness from 0.5 mm to 40 mm; girth (Φ711 above), wall thickness from 4 mm to 80 mm . The company also owns X-ray Inspection System, ultrasonic wave text, real time hologram, eddy current device, hydraulic tester, and stainless steel components Metallographic analyzer, Spectrum analyzer, physical and chemical laboratories. Polishing machine, flat head unit and so on. The company has perfect quality assurance system, Based on ISO9001-2008 quality assurance system, the company has obtained ISO14401 environmental Management System Certification, ISO18001 Occupation Health Management System Certification, Pressure Force Pipeline Component Level A2 Certification, European’s PED, USA’s API, BV, ABS, DNV, Lloyd’s, ASME Certificates and Chinese "special equipment manufacturing license."  Over the years, the chairman and the joint efforts of all staff, the company established an outstanding reputation. Honest, trustworthy, pioneering and enterprising. Innovation and development, writing a chapter, Summing up the past, look to the future, Zhejiang Dewei will continue to first-class quality, first-class management, first-class service and reasonable prices to customers return the support of friends and patrons.      Zhejiang Dewei sincerely welcome customers come, the incoming letter discussion.