Qingdao Guangming Environmental Protection Technology Co.,

[ Manufacturer ]Main business are Oil spill control and special ship for environment protection, Chemical anticorrosive coating, Water treatment technology and equipment.

Dongying City Yongji Petroleum Machinery Co., Ltd.

[ Manufacturer ]Main business are Petroleum machinery, Oilfield Solid control equipment, Drilling Fluid Centrifuge, Mud Pump, Centrifugal Pump, Mud Agitator.