Tongwei Co., Ltd. is a large-scale agricultural science and technology listed company (stock code: 600438), which is controlled by Tongwei Group, mainly engaged in the feed industry, and also involved in aquatic research, aquaculture, animal health care, food processing and other related fields. The national key leading enterprise of industrialization. At present, the company has more than 170 branches and subsidiaries all over the country and Southeast Asia, with an annual feed production capacity of more than 10 million tons. It is a major aquatic feed manufacturer in the world and an important livestock and poultry feed manufacturer in my country. One of the listed agricultural companies with the largest sales scale in the animal husbandry and fishery sectors.

At present, Tongwei is adhering to the corporate vision of "for a better life" and the corporate purpose of "contributing to the society", and unswervingly develops the two main businesses of agriculture and new energy. Among them, the main business of agriculture takes the feed industry as the core, and fully extends and Improve the chain of aquatic products and livestock and poultry industry, and create a healthy and safe food supplier integrating variety improvement, research and development, breeding technology research and promotion, as well as food processing, sales, brand building and service. At the same time, in terms of the main business of new energy, Tongwei has become a vertically integrated photovoltaic enterprise from the production of high-purity crystalline silicon in the upstream, the production of high-efficiency solar cells in the midstream, to the construction and operation of terminal photovoltaic power plants, and has formed a complete company with independent intellectual property rights. The photovoltaic new energy industry chain has become the core participant and main driving force for the development of the photovoltaic new energy industry in China and even the world. At the end of the industrial chain, Tongwei organically integrates photovoltaic power generation with modern fishery, and is the first in the world to create a development model of "integration of fishery and light". At present, Tongwei is promoting and establishing "fishing and photovoltaic integration" bases all over the country, and high-quality and clean photovoltaic power is continuously benefiting thousands of households. As a leading enterprise involved in both agriculture and new energy photovoltaic industries in China and even the world, Tongwei has truly realized the efficient and coordinated development of agriculture and photovoltaics, and will become the world's leading supplier of green agriculture and green energy.

Tongwei has strong strength in scientific research and development and independent innovation, and has the world's advanced scientific research team and research and development system. Since its establishment, Tongwei has successively invested hundreds of millions of yuan to establish thirteen research and development bases. At the same time, it has been strategically cooperating with developed countries such as Auburn University in the United States, Helsinki University in Finland, Japan and other advanced countries in feed and breeding technology. The organization has established a perennial technical and strategic cooperation relationship, and has long been committed to scientific research on animal nutrition, environmental protection, factory fish farming, food safety and sustainable development of the aquaculture industry. It has developed international-level feed products and introduced and cultivated them. A variety of famous, special, excellent and new aquatic products have been produced.

Tongwei has a clear quality policy, strictly monitors the whole process of development, design, production, sales, use and service of product quality, and strictly abides by the national drug and health standard. At the same time, Tongwei's branches and subsidiaries have a total of more than 400 computer-controlled and fully automatic feed production lines, as well as more than 600 key core equipment imported from the United States, Germany, Switzerland, Taiwan and other countries and regions with the world's advanced level. It has become an important means to improve product yield and quality. For this reason, the quality of Tongwei's feed products has been stable, and the pass rate of the finished product sampling inspection is 100%. There has never been a major quality accident in various feed products shipped out of the factory, and the product quality has been fully recognized by the majority of farmers.

Tongwei is also the first feed enterprise in the country to pass the ISO9000 quality management system certification. At present, more than 85% of Tongwei's branches and subsidiaries have passed the ISO9000 certification, and it is the first in the national feed industry to develop the HACCP safety management system for feed products and feed At the same time, it took the lead in the industry to obtain the national pollution-free feed product certification, thus establishing a perfect quality management system and setting up a solid barrier for product quality and safety.

Under the leadership of Liu Hanyuan, a member of the Standing Committee of the Eleventh National Committee of the Chinese People's Political Consultative Conference, a representative of the National People's Congress, and Chairman of the Board of Directors of Tongwei Group, and with the efforts of all Tongwei people, Tongwei has maintained a steady pace of development for more than 30 years. Deduce the amazingness of the industry, and continue to collect various honors. In recent years, Tongwei has been rated as one of the top 100 private listed companies in China, the top 50 private enterprises with brand competitiveness in China, and has won honors such as "China Famous Trademark". At the 13th International Certification Alliance (IQNet) Annual Conference, Tongwei was awarded the "Quality Management Innovation Award" for its outstanding achievements in the work of the ISO9000 quality management system. In July 2006, among the 145 iconic brands in the Chinese industry announced by the China Brand Research Institute, the Tongwei brand was selected as an iconic brand among more than 13,000 enterprises in the Chinese feed industry, and was awarded the title of National Advanced Collective for Standardization of Feed Industry In September 2007, Tongwei won the title of "National Recognized Enterprise Technology Center". In December 2007, Tongwei was honored again and won the 2007 China Feed "Top Ten Public Welfare Enterprises" and other awards; in June 2011, Tongwei was awarded the "2011 China Economic Achievement Influential Enterprise"; in November 2012 In March, Tongwei won the "2012 China Brand of the Year" at the "China Brand Annual Release Ceremony" which is known as the "Oscar" award in the Chinese brand industry by virtue of its leading position and brand advantages in China's agriculture and animal husbandry industry and new energy industry; 2014 In June 2013, the brand value of Tongwei jumped to RMB 25.678 billion; on July 19, 2013, the Ministry of Agriculture of the People’s Republic of China issued Document [2013] No. The supporting unit for the construction of the Key Laboratory of Breeding marks the official settlement of the "Key Laboratory of the Ministry of Agriculture" in Tongwei; "Application on Freshwater Fish" won the "Second Prize of National Science and Technology Progress Award"; in September 2015, Tongwei Co., Ltd. won the first prize of scientific research achievements of the 2014-2015 China Agricultural Technology Award; It was shortlisted in the "Fortune" 2016 China Top 500 list; in June 2018, Tongwei independently completed the "Modern Aquaculture Industry Chain Technology Innovation Project" project and the cooperatively completed "Grass Carp Healthy Breeding and Nutrition Technology Innovation and Application" project at the same time Won the first prize of Sichuan Provincial Science and Technology Progress Award; in January 2019, Tongwei participated in the "Creation and Application of Pig Disease-resistant Nutritional Technology System" and won the second prize of National Science and Technology Progress Award. In 2019, Tongwei was shortlisted for the fourth consecutive year in the Fortune China 500 list.