Shanghai Tuonei Engine Work Co., Ltd is established in the end of last century, which is a professional engine manufacturer and reliable supplier for the related subsidiary companies of Shanghai Automotive Industry Corporation Group. With the development of the company, we have begun to research and develop the TN series by absorbing and adopting the domestic and abroad advanced technology with the brand of Shanghai from 2000. Under the support with kind effort of Tongji University and Shanghai Internal Combustion Engine Research Institute, the engine has been obtained the harmonious unification between external appearance and performance. The Shanghai TN series diesel engines are the reliable and perfect mating power. It is a faith worthy brand. In accordance with the management concept that are basic in the person, continuous improvement and pursuit of predomination, the company actively implements excelsior making process and quality assurance system, all product made in the company have obtained ISO 9001 quality system certification, which make stable promotion of product quality.