our company supplies carbon & alloy & stainless steel pipes,API 5CT casing & tubing, industrial equipment, etc. We export seamless steel tubes include carbon steel pipes and alloy steel pipes. The size range is Φ19-Φ1069mm x 2.5-120mm, and the main standards include ASTM/ASME, DIN, EN, JIS, BS and GB. All the pipes are widely used in the fields of petroleum, chemical, electric power, boilers, ship building, geology exploration, mechanic and etc. The steel enterprise we agent has got the certificates of ISO 9001:2000, ISO 14001:2004, API, PED, LR, BV, CCS.