Supply Nanchang thick-walled seamless square tube (specifications, quality, price) Wholesale supply of special steel square and rectangular tube Rectangular Pipe Supply crane dedicated Thai Steel Pipe Co., Ltd. Cangzhou Yan specializes in producing all kinds of seamless square tube, seamless square tube is a means of drawing, cold rolling technology to form a seamless square tube. Seamless square and rectangular tubes are made of high quality seamless as feedstock. Seamless square tube is generally divided into two kinds of processing methods: 1. Drawn seamless: cold drawn seamless pipe is generally 200mm * 200mm * 10mm Rectangular following specifications seamless tubes, cold drawn steel tube behind the higher precision, more For small caliber. Thin-walled seamless square and rectangular tube production. Two cold-rolled square steel tubes, cold-rolled square steel tube is a proactive and press rollers using methods such as square and rectangular tube products processing, mainly for larger diameter, wall thickness thicker Rectangular Pipe products, general Cold Diameter range: 20mm * 20mm-800mm * 800mm, wall thickness range :2-30mm, seamless square tube according to customers' specific needs custom processing small quantities. Supply of special steel square and rectangular tube Rectangular Pipe Supply crane special specifications can also be customized profiled, is a convenient and novel materials. Product quality assurance, the mechanical properties are excellent. Seamless square tube according to your specific needs custom processing, seamless square tube main specifications are: 135 * 135 Size seamless square tube: Professional for a variety of lifting machinery, lifting machinery, 120 * 120 seamless square tube is mainly used for a variety of cement equipment, 200 * 200 specifications seamless square tube is mainly used for various steel support purposes. 400 * 400 specifications walled seamless square tube dedicated to all kinds of curtain wall bracket. 500 * 500 large diameter seamless square tube is mainly used for a variety of structures, machinery and equipment, 600 * 600 large diameter thick-walled seamless square tube is mainly used for steel stents, 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. "Welcome new and old customers call to discuss, Yan Thai Steel Pipe staff dedicated to provide you with a seamless gold square tube products.