Dayun Group Co., Ltd. (formerly known as Shanxi Tongda (Group) Co., Ltd.) was founded in 1987 and is located in Yuncheng Economic and Technological Development Zone, Shanxi Province. It integrates automobile and motorcycle research and development, manufacturing, sales, services, international trade, logistics and distribution, Large private enterprise groups with cross-regional, cross-industry and diversified development integrated with engineering construction. The group currently has more than 12,000 employees and a total asset of 20 billion yuan. It has four production bases: Yuncheng, Chengdu, Shiyan and Guangzhou. The products are exported to more than 100 countries and regions including Asia, Europe, Africa, America, etc.

The group produces more than 40 models, more than 200 varieties, and more than 1.5 million motorcycles, more than 2 million motorcycle engines, and more than 30 varieties of three-wheeled motorcycles and more than 300,000 motorcycles.

Since 2004, under the guidance of the strategic planning of "laying into the north and south, advancing the whole country, and going to the world", the Group has carried out industrial structure adjustments in a timely manner and made efforts to enter the commercial vehicle field. The Dayun heavy truck project invested and built in Yuncheng, Shanxi was officially put into production in October 2009, becoming the leading representative of China's private heavy truck enterprises. In March 2009, the group established Chengdu Dayun Automobile Group Co., Ltd. In July 2010, the group established Hubei Dayun Automobile Co., Ltd. to form a truck industry layout with complementary advantages in the three places.

The enterprise attaches great importance to independent innovation and has formulated a strategic deployment of technological innovation of "production generation, research and development generation, and reserve generation". It has successively developed fuel, gas, hydrogen energy trucks, new energy trucks, passenger cars, passenger cars and other products to form It has a complete and core competitiveness automotive product chain and has a very obvious competitive advantage in terms of economy, safety and comfort.

Over the years, Dayun Group has continuously created new miracles and continued to achieve new leaps. The group has obtained more than 1,600 authorized patents and 417 registered trademarks at home and abroad.

Standing at a new starting point, Dayun Group has always adhered to the development goal of "establishing a corporate culture with honest concepts and values, becoming an enterprise that has made achievements in society", taking it as its mission to revitalize the national auto and motorcycle industry, and is determined to build an internationally renowned brand. , realize the great cause of "galing around the world and running the world".