2. Feida Environmental Protection Co., Ltd. (600526.sh), one of the three giants of flue gas desulfurization in China, is the only enterprise in China that provides users with three series of products related to dust removal, transportation and desulfurization. CLP Investment Yuanda Environmental Protection Co., Ltd., a holding subsidiary, holds 66.44% of the shares and is a leading professional desulfurization engineering company in western China.
3. Guodian Power (600795.sh), all thermal power units of the company have installed desulfurization facilities and put them into operation, and the sulfur dioxide emission of the units has reached 0.9284 g/kWh.
4. Katie Power (000939.sz), a leading enterprise in domestic desulfurization industry, has a market share of over 50%. The company has more than 300,000 dry flue gas desulfurization technologies and more than 600,000 wet flue gas desulfurization technologies pioneered in the world.
5. Tongfang Co., Ltd. (600 100.sh), the Tongfang environment invested by the company has TKC flue gas denitrification technology, AEE flue gas desulfurization technology, Lurgi bag dust removal technology, electric bag integration technology and liquid column desulfurization independent technology. At present, it has 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 treatment technology for urban environment" as its basic orientation, and takes outstanding urban environmental protection issues as a breakthrough. The company has a leading technology in integrated desulfurization and dust removal. The company provides technical services for flue gas desulfurization and dust removal, independently owns integrated equipment for desulfurization and dust removal, and contracts flue gas desulfurization and dust removal projects.
7. Laigang Co., Ltd. (600 102.sh) adopted the engineering technology of removing sulfur dioxide from boiler flue gas (75t/h) from coking ammonia-containing wastewater, realizing zero sulfur dioxide emission from boiler flue gas in Laigang, and put forward a demonstration project to achieve the goal of sulfur dioxide pollution control. It can reduce sulfur dioxide emission 1.300 tons per year, treat 45,000 cubic meters of coking wastewater containing ammonia, and incinerate flue gas and desulfurization products in the furnace to avoid secondary pollution.
8. Great Wall Electric (600 192.sh) cooperated with Lanzhou Institute of Modern Physics of Chinese Academy of Sciences to undertake the flue gas desulfurization project of a power plant in Zibo, Shandong. The project invested more than 70 million yuan and adopted electron beam desulfurization technology. This project is the first flue gas desulfurization project in China at present, and the estimated income is more than 20% of the investment.
9. Kowloon Electric Power (600292.sh), which invests in Yuanda Group, mainly focuses on the industrialization of flue gas desulfurization technology and equipment. It is an enterprise integrating flue gas desulfurization engineering process design, technology introduction, development and manufacturing of complete sets of equipment, construction and installation, commissioning and maintenance, and personnel training. It is planned to introduce FGD technology from Mitsubishi Heavy Industries, Japan, and gradually realize the localization of all desulfurization technologies and devices in three stages. Through localization, the sulfur dioxide of 300MW thermal power unit can be manufactured.
10. Zhonghe Electromechanical Co., Ltd. (000925.sz) is a large-scale R&D and production base specializing in designing and manufacturing air pollution control equipment such as flue gas desulfurization devices in China. At present, it is a listed company of flue gas desulfurization, which can realize the development strategy of EPC general contracting at home and abroad and BOT operation at home. The production capacity of desulfurization projects that have been put into production ranks fourth in the industry, and the listed companies rank first.
1 1. Zhejiang University Net New (600797.sh), the controlling shareholder, Zhejiang University Net New Group and Italy IDRECO formed a consortium, and signed a flue gas desulfurization project contract with Bulgaria's Mali No.2 Thermal Power Plant and Bulgaria's Ministry of Environment and Water Resources, with Zhejiang University Net New Electromechanical Engineering Company as the concrete implementer of the project.
12. Luan Huaneng (60 1699.sh), the company's main business includes the development and utilization of clean coal technology. It was the first time to use bituminous coal in blast furnace injection technology, and won the national invention patent, the special prize of scientific and technological progress in China's coal industry and the second prize of national scientific and technological progress, which became the benchmark for formulating national standards for this product.
13. Trimmer Environmental Protection (300072.sz), the company is mainly engaged in desulfurization catalyst products, dechlorination agents and arsenic removal agents. It is a first-class production supplier and a-class supplier of PetroChina and Sinopec.