Shandong Topsky Steel tube Industrial Co., Ltd is located in Jiaozhou district, Qingdao city. Our products are marketed widely all over the country and exported to North American, Europe, Middle East and Southeast Asia, etc and get the good reputation based on good quality. Standard including: Q195, Q235, Q345, 10#, 20#, 40#. Seamless pipes specifications covers from ∮12.7----∮630. Thickness is from 0.6---25. ∮12.7----∮920 for ERW pipes. Shapes can be square, rectangle and oval. Stainless pipes are widely applied in petro-chemical works, smelt, irrigation works, electricity works, medical equipments, refrigeration, aviation, ***** Quality can be in accordance with GB, ASTM, JIC, DIN, OST standards as requested by customers. Stainless and seamless steel products specifications vary from ∮6.5 to 1016. Wall thickness is 1.2—25. ERW stainless pipes are specified among 6.5---426 with thickness among 0.6----20 and shapes in square, rectangle and oval.