Henan Longdu Petroleum Electromechanical Equipment Co. LTD

       Henan Longdu Petroleum Electromechanical Equipment Co.， Ltd. is located in Puyang City， Henan province， which is a famous historical city in China. Our company was originally an oil service enterprise of Zhongyuan Oilfield of Sinopec， and was restructured into a private enterprise in 2014. ...