China, Langfang, Hebei, China

Langfang Jinfengyuan petroleum Equipment Co., Ltd(Short name : JFY) focused on professional mud process. Based on users&＃039; actual demand through the integration team of professional design ...

Gaoxin 4th Rd, Xi An, Shaanxi, China

Xi an Kosun Machinery Manufacturing Co., Ltd. (KOSUN), formerly named as Xi an Changqing Drilling Equipment Factory and Xi an Kosun Oil Drilling Equipment Co., Ltd., is the leader in China drilling so...

YINHE, Tangshan, Hebei, China

Tangshan Tongchuan Oil Drilling Equipment CO., LTD(Short name : TCEM) focused on professional mud process. Based on users&＃039; actual demand through the integration team of professional desig...