1. Sui Hengyun (000531): Guangzhou Hengyun Enterprise Group Co., Ltd., its main business is the production and sales of electricity and heat, and its main services are electricity, steam, real estate, and environmental protection.

2. Dongfang Energy (000958): a stock issued by State Power Investment Group Dongfang New Energy Co., Ltd.

The sectors it belongs to include the fund sector, the electric power industry sector, the state-owned enterprise reform sector, the Hebei sector, and the social security sector.

The business scope is the production and sales of heat and electricity; collection and payment of heat bills; house leasing; and labor dispatch.

The company occupies a leading position in the combined heat and power industry in Hebei Province and ranks among the best in the same industry nationwide.

Responsible for a large share of Shijiazhuang City's civil heating and heat supply tasks for more than 400 industrial and commercial enterprises and institutions, it is the largest centralized heating enterprise in Shijiazhuang City.

3. Guangyu Development (000537): The main business of Tianjin Guangyu Development Co., Ltd. is real estate development and sales. The business segment mainly focuses on residential real estate development, and also covers some supporting commercial, hotel and other businesses.

The main products and services include commercial housing, hotel catering, hotel rooms, real estate rental, property fees, and other hotel operations.

For the first time, the company has realized business layout in cities such as Guangzhou, Sanya, and Shantou. Its green real estate projects cover 18 cities across the country, forming a business layout covering the Beijing-Tianjin-Hebei region, the Yangtze River Delta, Jinan Qingdao, the Guangdong-Hong Kong-Macao Greater Bay Area, and the Chengdu-Chongqing Economic Circle.

4. Guangdong Pearl (600382): an A stock on the Shanghai Stock Exchange, belonging to the pre-loss and pre-reduction sector, the three old reconstruction sectors, the Shanghai-Hong Kong Stock Connect sector, the Guangdong sector, the international trade sector, and the margin trading and securities lending sector. Its business scope mainly includes

Industrial Investment.

Manufacturing and sales: general machinery, metal products, auto parts, rubber products, clothing, etc.

The company is a nationally designated professional manufacturer of high, medium and low pressure valves. It is a high-tech enterprise focusing on industrial investment development, production, operation and research and development. In the operation of "committed to industrial investment, making Guangdong Pearl better and stronger"

Under the guidance of the concept, the company continues to optimize and adjust its main business structure.