Our German oil refinery do ----

DLE-5W-60 C3.5W-50 C3. 5W-40 C3 (Super lub)

But it is difficult to have the oil can lubrication should be enough, but also high temperature, it has both enhanced engine power without considerable skill laboratory can not make polyol ester oil.

DLE POLYOLESTER FULLY SYN 5W60 C3 is high performance engine oil with optimized viscosity grade, made from fully synthetic PAOs (Poly-Alpha-Olefin) and PolyolEsterbase oil.The unique composition of high VI (Viscosity Index) fully synthetic base oils with the modern additive package provides its outstanding performance level.