Supply Lishi precision thick-walled Rectangular Pipe (standards, quality, thickness) Nanning small diameter square tube - Nanchang, Jiangxi walled Rectangular Pipe - Chengdu, Sichuan Rectangular Pipe - Xi'an rectangular tube - Low Alloy Rectangular Pipe Our company specializes in the production square tube - seamless square tube, straight seam pipe, large diameter thick-walled square tube straight seam weld large diameter single square pipe, large diameter pipe, large diameter rectangular pipe, large diameter square and rectangular tube. Made of various materials and non-models Rectangular Pipe, can processing. Size: 10 * 10-800 * 800 mm Thickness: 0.5 - 30 mm Material: Q235B, Q345B, 20 #, ST37, ST44, ST52., ASTM A53, ASTM A 10 and other standards: GB/T3094-2000, GB / T6728 -2002, JISG 3466 and so on other products. Large diameter tube: square tube for a large number of large diameter pipes conveying fluid, such as the transportation of oil, natural gas, coal gas, water and some solid materials, pipes and so on. Large diameter pipe is also widely used in the manufacture of structural parts and mechanical parts, such as drill pipe, automotive drive shafts, bicycle frames and construction using steel scaffolding. Large diameter square tube practical applications: the structure with a large-diameter pipe, fluid transport large diameter pipe, low and medium pressure boiler with a large-diameter pipe, large diameter high pressure boiler pipe, petroleum cracking of large diameter pipe, geological drilling with steel, diamond core drilling large diameter pipe, oil drilling pipe, ship carbon steel large diameter pipe, automobile axle casing with a large diameter pipe, diesel high pressure tubing, hydraulic and pneumatic cylinder with precision large diameter diameter square tube, cold drawn or cold rolled precision large diameter pipe, structural steel large diameter pipe, fluid transport stainless steel large diameter pipe, large diameter square tube shaped. My company with excellent service, quality products to win the trust of our customers. I will be with a good reputation and solid strength, quality products, low prices and service to our customers, wish the new and old customers work together to create a cause. Our aim: "quality of survival, reputation and development." Our business philosophy: "Sincerity-oriented, customer first." Our advantage: "adequate, reasonable price", welcomed the new and old customers to negotiate. The above is? Square tube for more information if you provide square tube?, Price, manufacturer, model, pictures have any questions, please contact us for the latest information. Our products have been sold to the following cities: Zhejiang, Shanghai, Tianjin, Liaoning, Yunnan, Guangxi, Guangdong, Anhui, Beijing, Xinjiang, Chongqing, Hunan, Hubei, Hebei, Henan, Ningxia, Qinghai, Gansu, Shaanxi, Tibet, Guizhou , Sichuan, Hainan, Heilongjiang, Inner Mongolia, Shandong, Fujian, Jilin, Shanxi, Jiangxi, Jiangsu, Shanghai, Nanjing, Beijing and Shijiazhuang. Business philosophy: the same product than the quality of the same quality than price, the same price than service, the same service than credibility. "