Chaochai is produced by Dongfeng Chaoyang Chaochai Power Co., Ltd. (hereinafter referred to as Chaochai Power) and was established in 1960. It is an engine manufacturing enterprise integrating product research and development, production and sales, and a national high-tech enterprise. It is the research and development place of the first high-speed vehicle diesel engine in China and the first example of vehicle diesel engine in China.
Chaochai engine oil is produced and sold by state-owned enterprises, with national background to support endorsement. There is no doubt about the quality, and you don't need to care about the ranking.