1. Longjing Environmental Protection (600388.sh), the company’s flue gas desulfurization technology has introduced the dry and wet desulfurization technology of the German LLB Company, and its technical level is in a leading position in the country. The products have always been welcomed by relevant domestic manufacturers, and the company has received a steady stream of large orders. Coupled with the company's advanced dust removal technology, there is huge potential for high profits in the environmental protection field in the future.
2. Feida Environmental Protection (600526.sh), one of the three major domestic flue gas desulfurization giants, is the only domestic enterprise that provides users with three series of related products: dust removal, transportation and desulfurization. . China Power Investment Yuanda Environmental Protection Co., Ltd., a holding subsidiary holding 66.44% of the shares, is the leading professional desulfurization engineering company in western China.
3. Guodian Electric Power (600795.sh), all the company’s thermal power units have been installed with desulfurization facilities and put into operation, with unit sulfur dioxide emissions reaching 0.9284 g/kWh.
4. Kaidi Electric Power (000939.sz), a leading company in the domestic desulfurization industry, has a market share of more than 50%. The company has the world's first dry flue gas desulfurization technology with an installed capacity of more than 300,000 and wet flue gas desulfurization technology with an installed capacity of over 600,000.
5. Tongfang Shares (600100.sh), Tongfang Environment invested by the company owns TKC flue gas denitrification technology, AEE flue gas desulfurization technology, Lurgi bag dust removal technology, electric bag integration technology, and liquid column method With independent desulfurization technology, it has currently served more than ten power plant flue gas desulfurization and boiler dust removal projects.
6. Ziguang Co., Ltd. (0938.hk), the environmental protection industry takes "providing comprehensive urban environment management technology" as its basic positioning, and uses the currently prominent urban environmental protection issues as a breakthrough point. The company has leading technology in integrated desulfurization and dust removal. The company provides external flue gas desulfurization and dust removal technical services, independently owns integrated desulfurization and dust removal equipment, and contracts external flue gas desulfurization and dust removal projects.
7. Laigang Co., Ltd. (600102.sh), the company uses coking ammonia-containing wastewater (or other ammonia water) to remove sulfur dioxide from boiler (75t/h) smoke engineering technology, realizing Laigang boiler smoke reduction Zero emissions of gaseous sulfur dioxide, and a demonstration project was proposed to achieve sulfur dioxide pollution control goals. It can reduce sulfur dioxide emissions by 1,300 tons per year, treat 45,000 cubic meters of coking ammonia-containing wastewater, and return smoke and desulfurization products to the furnace for incineration to avoid secondary pollution.
8. Great Wall Electrician (600192.sh), in cooperation with the Lanzhou Institute of Modern Physics, Chinese Academy of Sciences, undertook a flue gas desulfurization project for a power plant in Zibo, Shandong. The project invested more than 70 million yuan and used electronic Beam desulfurization technology, this project is currently the first domestic flue gas desulfurization project using domestic electron beam desulfurization technology, and the expected income is more than 20% of the investment
9. Kowloon Electric Power (600292.sh), investment The holding Yuanda Group is mainly focused on the industrialization of flue gas desulfurization technology and equipment. It is an enterprise integrating flue gas desulfurization engineering process design, technology introduction, complete equipment development and manufacturing, construction and installation, commissioning and maintenance, and personnel training. It plans to introduce it to Japan. Mitsubishi Heavy Industries' FGD technology will gradually localize all desulfurization technologies and devices in three phases. Through localization, the price of sulfur dioxide desulfurization devices for 300MW thermal power units can be reduced from the imported price of 300 to 400 million yuan to 140 million yuan. .
10. Zhonghe Electromechanical (000925.sz), the company is a large-scale R&D and production base in China that specializes in the design and manufacturing of air pollution control equipment such as flue gas desulfurization devices through electromechanical integration. A flue gas desulfurization listed company with a dual-wing development strategy of EPC general contracting and domestic BOT operation. The desulfurization project capacity that has been put into operation ranks fourth in the industry and first among listed companies.
11. Zhejiang University Insigma (600797.sh), the controlling shareholder Zhejiang Zhejiang Insigma Group and Italy’s IDRECO formed a consortium to sign a flue gas desulfurization project with the Bulgarian Maritsa East Thermal Power Plant and the Bulgarian Ministry of Environment and Water Resources. According to the contract, Zhejiang University Insigma Mechanical and Electrical Engineering Company is the specific implementer of this project.
12. Lu'an Environmental Energy (601699.sh). The company's main business includes the development and utilization of clean coal technology. It pioneered the use of bituminous coal for blast furnace injection technology and won the national invention patent and China Coal It won the special prize for industrial science and technology progress and the second prize for national science and technology progress, and became the benchmark for formulating national standards for this product.
13. Sanju Environmental Protection (300072.sz), the company’s main business is desulfurization catalyst products, dechlorination agents, arsenic removal agents, etc. It is a first-level production supplier and Class A supplier of PetroChina and Sinopec.