our company specialize in recycling used engine oil including diesel engine oil, gasoline engine oil,motor oil,ship engine oil, truck oil, and used hydraulic oil, other used machinery lubrication oil .

King Oil Purification Machinery Co., Ltd. (KOPM), as the top qualified environment protection company in Chongqing, is specialized researching, developing and manufacturing of oil purification equipments providing feasible solutions for waste recycling project. KOPM adopts ...