topcon battery concept stock leader is the Jia Yu shares, in the shares, Sai Wu technology, the science and technology, Dongxu Lantian and so on.

1, Jia Yu shares

Beijing Jia Yu doors, windows and curtain wall Co.

2, Zhonglai shares

Suzhou Zhonglai Photovoltaic New Material Co., Ltd. mainly focuses on photovoltaic backsheets, N-type high-efficiency monocrystalline batteries and components research and development, production and sales, as well as photovoltaic application system design, development, sales and operation and maintenance.

3, Saiwu technology

Suzhou Saiwu Applied Technology Co., Ltd.'s main business, is the adhesive as the core of the film form of functional polymer materials research and development, production and sales, the company's main products are photovoltaic backsheets, POE encapsulation of adhesive film and EVA encapsulation of adhesive film.

4, Zhongke Yunwang

Zhongke Yunwang Technology Group Co., Ltd. is the main business includes Internet game promotion and operation and catering group meal, the company's main business is catering business and Internet game promotion and operation business.

5, Dongxu Lantian

Dongxu Lantian New Energy Co., Ltd. has followed the national strategy for many years, plowing into the green industry, adhering to the integration and innovation, and continuing to promote the development mode of intelligent energy + environmental protection and governance, and is committed to becoming a leading domestic environmental protection and new energy comprehensive service provider.

Reference: Baidu Encyclopedia-Beijing Jiayu Doors, Windows and Curtain Walls Company Limited, Baidu Encyclopedia-Suzhou Zhonglai Photovoltaic New Material Co.