摘要
Recently the engine oil with its additive formulation independently developed by the SINOPEC Research Institute of Petroleum Processing(RIPP)has successfully passed a whole series of engine tests for the ACEA C5 grade oil,incarnating that RIPP has known well the latest technique for formulating the engine oil in compliance with the ACEA C5 grade oil quality requirements,which is a genuine breakthrough in formulating the ACEA C5 grade engine oil with domestically-made independent additive package.
