Tianxin Cangzhou Oil Pipeline Equipment Co., Ltd. Company profile: Tianxin Cangzhou Oil Pipeline Equipment Co., Ltd. is a professional large enterprise specialized in producing, processing, oil drilling, casing and sale of large diameter thick wall pipe joints and spiral pipe steel straight pipes. Our company is located in Changzhou City. We are near Bohai Sea with Tianjin and Beijing to the north. 104 and 107 state roads, the Beijing-Shanghai Expressway and Beijing-Shanghai Railroad pass by. We enjoy very convenient transportation. Our company is equipped with sophisticated manufacturing and testing equipment, and a complete testing system which includes advanced testing equipment, such as X-ray detectors, ultrasonic wave detectors, hydrostatic testers, tension testers, metallurgical analyzers and physical & chemical labs has been established. These equipment and technologies guarantee