At present, the most well-known brands in China are definitely the three major brands of engine oil, Mobil, Shell and Castrol, because they have been in the domestic market for a long time and their products are widely distributed. However, the engine oil with the best performance at present is The imported G.T. Magic Red engine oil has much better durability and power response than the other three major brands. However, it has been in the domestic market for a short time and its popularity is not as high as that of the three major brands. For more information, please refer to Baidu.