Geothermal stocks are: 1, Hengtai AMP (300 157): from the perspective of return on total assets in recent five years, the average return on total assets in recent five years is-1.59%, and the lowest return on total assets in recent five years is-30.1. Hengtai Aipu Group Co., Ltd. is a high-tech, collectivized comprehensive energy service provider. Headquartered in Zhongguancun High-tech Zone, Beijing, the total number of employees exceeds 2,000. 2. Harbin Air Conditioning (600202): From the perspective of return on total assets in recent five years, the average return on total assets in recent five years is-1.35%, and the highest is 2.74% in 20 19 years. Harbin Air Conditioning Co., Ltd. is a state-owned listed company with a history of 60 years. The company is committed to the design, manufacture and service of petrochemical air coolers, power station air coolers, air conditioners and HVAC equipment, with profound technical background, covering petrochemical, electric energy, iron and steel metallurgy, coal chemical industry and other industries. The company's main business is to design, manufacture and sell all kinds of high, medium and low pressure air coolers. 3. Hanzhong Seiki (002 158): From the perspective of return on total assets in recent five years, the average in return on total assets in recent five years was 7.66%, and the lowest in return on total assets in recent five years was 6.37% in 20 18, and the highest was 9.77% in 2020. Shanghai Hanzhong Seiki Co., Ltd. is located in the ancient town of Feng Jing, Jinshan District, Shanghai, with beautiful natural environment, at the intersection of Shanghai-Hangzhou Expressway, Shanghai-Hangzhou High-speed Railway and National Highway 320, and in the center of the Yangtze River Delta. The registered capital of the company is 530 million yuan, and the factory covers an area of more than 90,000 square meters. 4. citic heavy industries (60 1608): From the perspective of return on total assets in recent five years, the average of return on total assets in recent five years is -0.99%, and the lowest in return on total assets in recent five years is 20 16 -7.72%, and the highest is 0.98% in 2020. Citic heavy industries machinery co., ltd, formerly known as Luoyang mining machinery factory, is one of the key projects of 156 built during the first five-year plan period. Citic heavy industries has the first batch of national enterprise technology centers recognized by the state, ranking 10 among 887 national technology centers, and winning the national technology center achievement award. 5. Huaguang Co., Ltd. (600475): From the perspective of return on total assets in recent five years, the average return on total assets in recent five years was 4.33%, and the lowest in return on total assets in recent five years was 3.06% in 20 16 years, and the highest was 5.82% in 20 17 years. The stock is referred to as "Huaguang Shares" for short, and the stock code is 600475. Huaguang Co., Ltd. is one of the top five enterprises in domestic boiler industry, and 201-2014 is rated as "leading enterprise in boiler and auxiliary machinery manufacturing industry" every year. 6. Longxing Chemical Industry (002442): From the perspective of return on total assets in recent five years, the average value of return on total assets in recent five years is 2.22%, and the lowest value of return on total assets in recent five years is 20 19 year 0.69%, and the highest value is 20 18 year 4.5 1%. Longxing Chemical Co., Ltd., founded in June 1994, is a listed company specializing in producing high-quality carbon black for rubber. It has five wholly-owned subsidiaries, whose main products are carbon black, silica, polyvinylidene fluoride, electric power, auxiliary products for tar deep processing, plastic woven products and iron ore.