Shanghai Diesel Engine Co., Ltd., formerly known as Shanghai Diesel Engine Factory, was founded in April 1947 and restructured into a joint-stock listed company issuing A and B shares in 1993. The total share capital of the company is 480 million shares, of which 50.32% are restricted shares, 45.28% are domestically listed foreign shares (B shares), and 4.5% are public shares (A shares). In 1958, the company independently designed and manufactured China's first 6135 diesel engine, pioneering the development of medium bore diesel engines in China and laying the foundation for the company's position in the industry. The company currently has three major series of diesel engines, D114, C121, and 135 (G128), with a full power coverage range of 60-420 horsepower. The product is mainly used for power support in commercial vehicles, engineering machinery, ships, and self owned power stations, and is exported to more than 50 countries and regions.

Shanghai Diesel Engine Co., Ltd. is located on the beautiful banks of the Huangpu River. It was founded in April 1947, covers an area of 820000 square meters, has over 4000 employees, and has total assets of more than 3.7 billion yuan.

For nearly sixty years, Shangchai Company has always adhered to the corporate purpose of "creating new impetus for social progress and providing good products for users to become prosperous", and has been persistently committed to the research and development, production, and manufacturing of professional diesel engines. At present, Shangchai Company has become a national super large high-tech enterprise integrating development, design, manufacturing, and marketing. Its business scope covers diesel engines, fuel systems, diesel generator sets, and investment enterprises. The product already has G128/135 C（121）、D（114）、P11C、 The complete product structure of 105 five series and over 300 variant products covers a power range of 60-600 horsepower. The products are distributed in various fields such as heavy-duty trucks, buses, construction machinery, ships, and mobile power stations, and are exported to more than 50 countries and regions. In 1994, the company became the first in China's internal combustion engine industry to obtain ISO9001 quality system certification. Since then, the company has successively obtained QS9000 and TS16949 quality system certifications from Leyen. In 2002 and 2005, the company won the highest quality award from the Shanghai Municipal Government twice in a row - the Shanghai Quality Gold Award, and was awarded the title of "China Famous Brand" in 2005. In 2005, the 6CT natural gas engine independently developed and manufactured by the company was awarded the Best Engine of the Year by the World Bus Federation. In 2006, the company was awarded the "Best Engine Manufacturer of the Year" award by the World Bus Federation.

Shangchai Company is an undisputed technological leader in China's internal combustion engine industry. The technology center was included in the first batch of national level technology centers; We have established a postdoctoral workstation for enterprises. A flexible production line with leading domestic manufacturing technology and clustering and restructuring functions. In 2005, Shangchai established the industry's first enterprise engineering research institute, which was joined by a large number of top domestic and foreign experts, bringing Shangchai's technology research and development system to the world's advanced level. Shangchai Company will actively integrate into the global industrial chain and participate in the competition of the global industrial chain with its own strength.

Shanghai Diesel Engine Co., Ltd. (hereinafter referred to as the "Company") was established on December 27, 1993, with the approval of the Shanghai Economic Commission and the Shanghai Securities Management Office through documents [Hujingqi (1993) No. 411] and [Huzhengban (1993) No. 111]. It was restructured as a whole with Shanghai Diesel Engine Factory as the exclusive initiator.

On April 29, 2001, the Shanghai Administration for Industry and Commerce issued a new business license for enterprise legal persons, with registration number Qigu Hu Zong Zi No. 019023. The current legal representative of the company is Chen Longxing. The original controlling shareholder of the company was Shanghai Dongfeng Machinery (Group) Co., Ltd. (hereinafter referred to as "Dongfeng Group"). In October 2003, during the restructuring and reorganization of Shanghai Electric (Group) Corporation (hereinafter referred to as "Electric Corporation"), with the approval of relevant regulatory authorities, the state-owned legal person shares of the company were transferred from Dongji Group to Electric Corporation. After this transfer, the Electric Corporation has changed from the ultimate holding company to the direct controlling parent company of the company.