Panasonic Matsushita (Panasonic Electric (China) Co., Ltd.)　　 began in 1918 and is a comprehensive electronic technology enterprise group specialized in the production and sales of various electrical products, covering many fields such as household appliances, digital audio-visual electronics, office products, aviation, etc., under the subsidiary of Japan's Matsushita Electric Industrial Co., Ltd.

LG Chem　　 Established in 1947, it belongs to the baiLG Group, one of the three largest in South Korea, and is currently the largest comprehensive chemical company in South Korea that leads the South Korean chemical industry.　　 Main business: power lithium battery, basic materials, information and electronic materials, biochemistry.　　 Company advantage: South Korea’s first mass production of lithium-ion batteries, has the world’s leading technical force, and leads the market in the fields of car batteries, ESS batteries, and mobile device batteries.

Samsung SDI　　 has 12,000 employees and its R&D centers are located in Korea and Japan. Russia and other countries also have offices in Taiwan, Germany, Malaysia, India, Vietnam and other places, and are among the top manufacturers of lithium battery manufacturers in the world.　　'S main business: small lithium-ion batteries, ESS, car batteries, electronic materials.　　 Company advantage: Established lithium-ion battery cooperative relationship with many manufacturers in the world, such as Volkswagen Group, BMW and so on.

Sony SONY　　 Japan is a world-renowned large-scale comprehensive multinational enterprise group, founded in May 1946, one of the world's largest electronic product manufacturing companies. In July 2016, Murata Manufacturing Co., Ltd. acquired Sony's battery business unit.　　'S main business: video game consoles, digital accessories, electronic components, professional systems.　　 Company advantage: Sony is the originator of lithium batteries. The company released the first commercial lithium battery in 1991. Lithium batteries began to become a source of power for electronic products.

SK INNOVATION　　 was established in 1962. Its predecessor, Korea Petroleum Corporation, was South Korea’s first oil refining company. At present, SKI is South Korea’s largest petrochemical group. The company has a wide range of fields such as energy, chemistry, and new materials.　　 Main business: oil development, battery

　　 Company advantages: Possess the core technology of power lithium battery separators, the third manufacturer in the world to develop lithium battery separators, and also owns the patented technology of low shrinkage and heat resistance for separator manufacturing. It has been used in electric vehicles since 2008; Mitsubishi Battery suppliers for Fuso, Mercedes-Benz, Hyundai, and Kia.

AESC　　 was established in 1994 as a joint venture of Japan Automobile Co., Ltd. (Japan), NEC Corporation (NEC), and NEC Tokin Co., Ltd. (NEC Tokin).　　 Company advantage: Compared with the current Ni-MH battery, the lithium battery developed by AESC can provide nearly twice the power capacity, and the unique laminated structure also makes the volume of the lithium battery module lighter and more practical.

A123 Systems Corporation　　 An American company specializing in the development and production of lithium-ion batteries and energy storage systems was established in 2001 and now has more than 2,000 employees worldwide. It was acquired by Wanxiang Group in 2013.　　 Main business: batteries, modules, systems　　 Company advantage: Lithium-ion batteries lead the lithium-ion battery market with high power, high energy density, long life, and excellent safety performance.