In 2022, the overall performance of the SPD product industry was close to 3.5 billion yuan, a decrease of 9% compared to 2021.

The SPD (surge protection device) market is relatively scattered, withSchneider, Zhongguang, and JinliSPDbeing industry leaders with performance volumes of over 200 million.Schneider’s performance is mainly concentrated in the construction and infrastructure fields; Zhongguang's performance is mainly concentrated in the fields of information and communication, petroleum and petrochemical, new energy, etc; JinliSPD's performance is mainly concentrated in fields such as new energy, electricity, railways, and rail transit. Phoenix, Tianjin Zhongli, ABB, Dehn, Guangxi Dikai and other enterprises form the second tier of the industry, with performance volumes of over 100 million yuan, mainly focusing on mid to high end brands.

In the future, with the pursuit of profits in the product application industry and the development of overall solutions for domestic brand lightning protection technology, the process of domestic substitution is accelerating.