seamless steel pipe.

Service Integrity explain all questions!!! Safe to say that, because we can do it! ! Hebei Xinyuan Thai Steel Pipe in Oil and Natural Gas of qualified suppliers across the country are products of our products are exported to Europe, the Middle East, South America, Southeast Asia, the United States seamless 140-273, spiral 219-2220, Longitudinal 219-406. Petroleum Casing 140-245. Material 10 20 16MN X grade steel B Grade Steel L grade steel Q235 Q345 K55 J55 in April of this year can be produced soon L80, P110, C95 material. Through API5L 5CT, ISO9001, ISO4001 certification. Welcome to toast a friend enthusiastically ordered a toast toast 2010 price high quality