Suzhou Seamless Steel Tube Works, was founded in 1989 by government and Shanghai Baosteel Group (one of the biggest steel group in China) Inheriting the equipments, technology and its many years&＃039; experience, the factory has established a complete Quality Assurance System. The factory has passed ISO9001-2000 Certificate July 2002, and then obtained PED (the second in China) and API certificate (5CT-0180, 5L-0566). It also has imported many types of equipments for defect detecting, such as computer-control spectrum meter, universal material tester, Eddy-current and ultrasonic detector. The factory has the 40,000 tons annual productivity of seamless steel tubes with the help of OD50, OD100 and OD140 piercer mills, 12 sets of cold drawing benches (10T-120T ), 3 sets of roller hearth heat treatment Furnaces.