We are a leading manufacturer of downhole tools in oil industry, with API and iso 9001 Certificate,the products are made strictly as per API 7-1 standard with BV Inspection
Jining China Coal Industrial Equipment Corp., Ltd.
China
China Coal Corp., as a subsidiary of China Coal Industrial Equipment Corp. with 20 years of history, is engaged in manufacturing and trading mining and electrical equipments, and energy sources.
We are the agency of the largest state-owned enterprises---GuiZhou Gaofeng Petroleum Machinery(such as drill pipe, drilling jars, mud pump and etcs.) in this field of China.