COMPANY INTRODUCTIONChangzhou yuanyang steel tube Co., Ltd was founded in 1983. It is a professional corporation for seamless steel tube, which is located in the east of Changzhou Jiangsu Province. Physical geography location is superior, near Hu-ning Railway & expressway and near the Jing-Hang grant canal . It is easy for visit and shipping.We have two product lines for seamless steel tube hot rolled & cold drawn. The cold drawn line have worked more than 20 years, and its annual output is about 30, 000 tons . We have put into production a new line for†159 accu-roll units, which is a top line in China. It can produce about 150, 000 tons steel tube, and the diameter size is from 60mm to 168mm, thickness from 4.5mm to 20mm. The products have good precision sizes, uniform thickness, glabrous surface and good linearity. The products include Line pipe for foreign trade, Seamless steel tubes for liquid service, Seamless steel tubes for structural purpose, Petroleum casing, Petroleum tubing, Tube for coupling, Seamless steel tubes for high pressure boiler, Seamless steel tubes for low &medium pressure boiler, Seamless steel tubes for engine machining, Seamless steel tubes for geological drill purposes, Seamless steel tubes for hydraulic pressure stanchion, seamless steel tubes for cars.We pay attention to mend and perfection of the quality management system, and also insist on quality policy of Science and technology innovation, quality paramountcy in all time. We have many kinds of certificates and licenses such as ISO9001-2000, API SPEC 5CT & API SPEC 5L, and approval of making tube for boiler and pressure vessel.The seamless steel tubes we manufacture are widely applied in many industries such as chemical, boiler, geologic, construction, auto, engine, oil etc. We also exported to USA, Canada, Japan, Korea, Thailand, Malaysia, Philippine, Indonesia and Taiwan, Hongkong.€œHonesty and trust, double-win€ is our management religion. €œSpecialization and inte