BYD Company Limited ("BYD") was founded in February 1995 and is headquartered in Shenzhen, Guangdong Province. The company employs more than 220,000 people, has businesses spanning four major industries - automotive, rail transportation, new energy and electronics - and is listed in Hong Kong and Shenzhen, with revenues and market capitalization exceeding 100 billion yuan. BYD is committed to using technological innovation to promote the sustainable development of human society and help realize the goal of "carbon peak and carbon neutrality". 2015, BYD was awarded the "United Nations Special Energy Prize", the first award for the new energy industry in the 70-year history of the United Nations. "In 2016, BYD was honored with the Zayed Future Energy Award for Large Enterprises, and in 2020, BYD became a member of the 2020 Top 100 Most Valuable Chinese Brands, and has been the champion of the most valuable Chinese brands in the automotive industry for six consecutive years. 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 automobile industry for six consecutive years.

BYD lithium battery electrophoresis workshop in the production process will produce a large number of organic waste gas, the workshop and the surrounding environment caused by pollution, affecting the health of staff and nearby residents. Lithium battery production process exhaust gas composition is complex, with high pollution and high hazardous characteristics. In particular, lithium battery factory production workplaces exist in large quantities of lead dust, lead smoke, acid mist and other pollutants will pollute the air, for these harmful emissions must be purified using exhaust gas treatment equipment before safe discharge.