Tianjin Saiwei steel has a large and small seamless steel tubes and precision cold-rolled steel pipe machine with 12 production lines, annealing furnace two, ordinary cold drawn seamless steel tube unit two sets, mainly the production of precision seamless steel tube, diameter 6mm-168mm wall thickness of 1mm-50mm precision light steel pipe, No. 45, No. 20, precision steel tube, precision alloy, precision steel tube cold drawn seamless steel tube etc.. The company production of precision seamless steel tubes are GB GB/T3639-2008 standards, we select high-quality raw materials for production, production materials are: 10#, 20#, 35#, 45#, 16Mn, 20Cr, 40Cr, etc. for finishing or drawing a blank. My company production of precision seamless steel tube is characterized by high precision, high quality, high degree of finish, the pipe outer wall size precision, excellent mechanical performance, precision seamless steel tube is widely used in automobile, motorcycle, electric shock, construction steel, precision machining, precision cylinder, electric power, shipbuilding, bearing etc., and medium and low pressure pipe demand. I precision steel tube factory produced precision steel tube, precision seamless steel tube, precision cold-rolled steel, precision bright tube are the implementation of the national standard of GB/T3639-2008, the factory production of precision light pipe smooth appearance of bright color, uniform thickness, no oxide layer, high precision. Seamless pipe can be divided into circular spline type, plum type, etc. are widely used in automobile, motorcycle, hydraulic, petrochemical, shipbuilding, aerospace, bearings, pneumatic components, hydraulic cylinder, boiler equipment, medical equipment, fitness equipment and other industries. Material for: 10#, 20#, 35#, 45#, GCr15, 40Cr, 16Mn, 35CrMo, 42CrMo, 12Cr1MoV and so on. Can be customized according to user requirements of various non-standard precision steel pipe. Special materials, specifications can also be customized. I plant the wholesale and retail orders, a ton of fixed spot, a sale, and can provide you the railway and highway