ZYZJ O&G Group, founded in 1978 as the subsidiary company of SINOPEC, then restructured in 2004, and nowadays has 3 subsidiary companies:

ZYZJ Petroleum Equipment Co., Ltd.

Puyang Haihua Oil Machinery Co., Ltd.

Henan Youlong Petroleum Engineering Technology Co., Ltd.

Over 4 decades, ZYZJ O&G Group has been specializing in manufacturing and marketing a wide spectrum of petroleum machinery, including petroleum drilling equipment, oil extraction equipment, wellhead and down-hole tools, well repair equipment, and capable of providing petroleum engineering design solutions and petroleum engineering technical services.

All products are manufactured under ISO9001, ISO14001,and comply with the requirements of 

API spec (acquired in 1999, including API 4F、5CT、7K、8C、11AX、11B、11E）