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 ...

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...