Tianjin Hanmusite Metal Material Co., Ltd. is a company which specializes in the production of double-sided spiral submerged arc welded steel pipes,ERW,RHS, SHS,galvanized pipes and so on . Our company is located in Daqiuzhuang Town of Jinghai in Tianjin. To its west is the Jin-Fu Expressway and to its south is Tong-Jin Highway. Our company has convenient transportation and developed communication facilities here.Our company specializes in producing straight seam welded pipes of 4-12 inches, 76, 89, 102, 108, 114, 125, 133, 140, 159, 165, 168, 180, 219, 245, 273, 325 and 377. Another main product is 219-2820X5-25MM SSAW. We also run steel pipes of API 5L 5CT ASTM A53 and BS1387-1985. We bring in Lincoln welding machines for automatic two-sided submerged arc welding. Our company has invested 50 million RMB and our annual output is 300,000 tons. We produce pipes according to the implementation of oil and gas industry standards, including SY/T5037-2000 and SY/T5040-92. The whole producing process has X-ray, ultrasonic and hydrostatic pressure to automatically detect. Our products are widely used in water engineering, petrochemical industry, chemical industry, power industry, agricultural irrigation and urban construction. They can be used for liquid delivery, such as water supply and water drainage. They are also used for transporting gas, steam and liquefied petroleum gas. Our products are also used for piling pipes, pillars, terminals, roads and building structures. The material of spiral steel pipe is variable according to customers' demands, such as Q235, SS400, 16Mn219 and 2820.Please feel free to contact us for further information.