The Shanghai Tesla Superfactory is located in the Lingang Development Zone of Shanghai, and is currently the world's largest electric vehicle manufacturing enterprise, covering an area of 860000 square meters. It is China's first foreign-owned vehicle manufacturing project and also Tesla's first overseas factory. The second phase battery production workshop has battery coating and baking processes, which will emit a large amount of VOC pollutants. This project conducts sealed collection of exhaust gas from various production process lines, and after collection, it is treated by the end of the line exhaust gas treatment equipment before meeting the emission standards. Industrial VOCs treatment is developed by a Sino British joint venture team with core catalyst technology. Yiqing Environmental Protection provides industrial organic waste gas VOCs treatment, RTO, catalytic combustion, activated carbon adsorption boxes, etc., successfully serving top 500 foreign-funded enterprises such as Tesla, Siemens, Schneider, etc.

Shanghai Haila Electronics Co., Ltd. is Haila's automotive electronics research and manufacturing center in China and the Asia Pacific region. The company was established in 1996 and became a wholly-owned subsidiary of Haila Hooke Shuanghe Co., Ltd. in 2006. Currently, it has over 1300 employees, including over 300 engineers specializing in design and research and development. Haila Hooke Shuanghe Co., Ltd. is one of the top 50 global automotive parts suppliers and also one of the top 100 companies in Germany. Haila has 70 factories, sales agencies, and joint ventures worldwide. The number of employees exceeds 25000, including over 3000 engineers and technicians engaged in automotive parts research and development, with customers covering leading global automotive and system manufacturers.

BYD Co., Ltd. (referred to as "BYD") was established in February 1995, with its headquarters located in Shenzhen, Guangdong Province. The company currently has over 220000 employees, with businesses spanning four major industries: automotive, rail transit, new energy, and electronics. It is listed in Hong Kong and Shenzhen, with revenue and market value exceeding 100 billion yuan. BYD is committed to promoting sustainable development of human society through technological innovation, and helping to achieve the goals of carbon peak and carbon neutrality. In 2015, BYD was awarded the United Nations Special Energy Award, the first award for the new energy industry in 70 years since the establishment of the United Nations. In 2016, BYD won the Zayed Future Energy Award for Large Enterprises. In 2020, BYD became one of the Top 100 Most Valuable Chinese Brands in 2020, and has been the champion of the most valuable Chinese brands in the automotive industry for six consecutive years.