composition enterprise from a single steel tube company, which own steel tubes., rare-metal, building material, air equipment, chemical instrument and electric bearing, international trade, capital operation etc. The registered, capital of the group is RMB 109.2 million and the fixed asserts is RMB 200 million. At present, the company is possessed a construction area of 250,000 square meters and has 1300 staffs including 158 technology administrators with middle and high ranking. The annual outputs of all kinds of seamless steel tube are about 130,000 tons, including bearing tubes 30,000 tons, high quality carbon and alloy steel tubes 30,000 tons, cold drown welded precision tubes 70,000 tons. The maximum length of the finished tubes is 18m and the size range is od 5-144mmXWTO.8-15mm. The precision of part of the tubes can meet the level of D-0+0.05mm. The company has set warm business relationships with China No.1 Automobile, Shanghai Volkswagen, American GE, Lanzhou Petro-Chemical Plant, Lanzhou Electricity and other automobile manufacturers or Petro-Chemical companies. Furthermore, the company has been appointed as high quality row-materials supplier by the clients of USA, UK, Germany, Korea, India, Australia, Taiwan and other countries and areas.