Henan Xinghua Machinery Manufacturing Co., Ltd is affiliated to Zhongyuan Special Steel Group Ltd., Which a branch company of China Arms Equipment Group. We are specializing in the production oil drill pipe, pipe joints, body collar, down-hole motor and ...

Aoneng Oil Equipment Co.,Ltd is a high-tech enterprise, which mainly provide services for oilfield equipments and technical service. Our products cover the scope of oil well cementing tools, production equipments, pipes valves. Since establishment our ...