Tianjin, Tianjin, China

We are Tianjin Tiangang Special Petroleum Pipe Manufacture Co., Ltd, with over 10 years&＃039; experience in manufacturing and selling casing and tubing according to API-5CT standard casing fro...

Industrial pack,7No.98 Yixingbu street, Beichen District of Tianjin city China

Tianjin ZhongJian GuoKang Nano Technology Co., Ltd , which is a high-new technology enterprise with scientific research development production and sale . The company has collected senior experts, sc...