YangZhou Lontrin Steel Tube Co., Ltd established in November, 2003. is a professional manufacturer in seamless carbon steel pipes and alloy steel pipes. The annual production is 250,000 tons, in which 150,000tons are carbon steel pipes and 100,000 tons are alloy steel pipes. The size range is Φ14-Φ325mm×1.5-25mm, and the standards include API5CT，API5L，ASME，ASTM, JIS, DIN，BS and EN. The products are widely used in the field of electric power, boiler, petroleum, chemical, ship building, geology exploration and etc. of which 70% are exported to more than 40 country markets.