Supply of low-alloy Enshi Rectangular Pipe (manufacturers, specifications, manufacturing) Q345B square and rectangular tube factory / best quality square steel pipe / square and rectangular tube optimal price / Precision square steel tube manufacturers low-alloy square and rectangular tube: (ie Q345B square and rectangular pipe, square and rectangular tube 16 Mn) low-alloy Rectangular Pipe include: low alloy seamless steel tube, low alloy steel tube weld. Seamless steel tube forming: low alloy seamless steel pipe, hydraulic push refrigeration curved shape, execute: GB/T3094-2000 standards. Weld steel tube forming (single weld): 1 using direct molding strip or plate, the maximum so 500 * 300 * 16mm????????????????????? ?????????????? 2. using the corresponding low-alloy welded pipe, hydraulic push type, caliber 400 * 400 or more are using this molding methods, thickness 25mm and above. Weld execution: GB/T6728-2002 standard low-alloy steel tube products main application areas: construction steel structure, large stadiums, convention centers, lifting machinery, shipbuilding, storage shelves, decoration, transportation facilities, airport construction, rail vehicles, bridge bracket, mine support, parking garage, outdoor advertising, fitness equipment, wind power equipment, vehicle manufacturing and other industries. Q345B square and rectangular tube factory / best quality square steel pipe / square and rectangular tube optimal price / Precision square steel tube manufacturers my company 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. "Welcome customers to negotiate!