NSH GER Gas engine oil recycling System is particularly suitable to recycle internal-combustion engine oil including diesel engine oil, gasoline engine oil and internal-combustion engine oils. GER series can effectively remove colloid, oxid, acid, pitch, particles, impurities, water, gas in the oil. Specially, GER can restore the color of used internal-combustion engine oil and remove the scent rapidly. SINO-NSH transformer oil purifier plant SINO-NSH lubricating oil filtering plant SINO-NSH turbine oil recycling plant SINO-NSH engine oil regeneration system