We supply and export ¡¾steel pipes for petroleum and natural gas transportation, coating, anti-corrosion, welding, drilling and control equipment¡¿ ---passed api 5l, api 5ct, hse/ohs/e-ms, iso9001, iso10012 ---supply to china national petroleum corporation(cnpc), iraq, syria, saudi arabia, kuwait, australia, usa, germany, brazil, india, russia A) steel pipe series: Spiral/straight seam steel pipe, elbow steel pipe, resistance & reducing internal coating, steel pipe external anti-corrosion; Spiral welded pipes: Api5l and iso3183 standard Diameter:219-2200mm, thickness:6-20mm, X80, spiral seam submerged arc pipe, Capacity: 500, 000metric tons yearly Jcoe longitudinal submerged arc welded pipes: Diameter:406.4-1422.4mm, thickness:6.4-60mm, length:8-12.4meter, A25, x100, capacity: 400, 000metric tons yearly Hfw straight seam welded pipes: By ffx, Diameter:88.6- 508mm, thickness 3.4-15.9mm, x80, longitudinally high frequency welded pipe, capacity 200, 000metric tons yearly Diameter:720, 1219, 1524 elbow and anti corrosion production Production tested by pipe weld at the end of filming, parent material ultrasonic probe, ultrasonic tube end even hand, x ray inspection, pressure test, pressure of ultrasonic flaw detection and finished product inspection. B) drill pipes, internal coating: api, e75- s135 Drill pipe: api standard, e75- s135, o.D.23/8-65/8 high intensity drill pipes and irregularity capacity: 35, 000 metric tons. Steel pipe resistance reducing internal coating production line: coating 1, 800, 000 sqm and coating length 8-13meter, diameter406-1420mm all kinds of steel pipes. Pipe outside coating production line for diameter: 219-1420mm, thickness4-26.2mm, length8-13meter, capacity 1, 500, 000sqm annually. C) sucker rod pump, control system and equipment, passed api 11e.