Lubricants, Engine Oil, Motorcycle Oil manufacturer / supplier in China, offering Synthgen 20W-50 API Sn/SL Synthetic Motor Oil 1L× 16 for Euro 5 & Classic Cars High Mileage Protection, Synthgen 10W-30 API Sn/SL Synthetic Motor Oil 1L× 16 Euro 5 Engine Protection Fuel Efficient Formula, Synthgen 10W-40 Full Synthetic Motor Oil API Sp/Sn Plus Certified 4L× 4 (16L) High Mileage Engine Protection and so on.