Casing Pipe

  we are a specialist in the production of various types of precision welded steel pipes. It can produce various high quality ERW pipe with outside diameter 25-355mm, wall thickness 1-14mm and highest steel grade is N80. The main equipments include fully solid-state high-frequency welder, on-line seam heat treatment, on-line eddy current &ultrasonic detector and four sets of hydrostatic tester (Max. pressure is 70MPA). The products can be classified into 4 categories: petroleum and natural gas pipe, automobile pipe, precision machinery pipe, low and medium pressure boiler pipe, its annual output is 300,000