[1], Zhongshan Public (000685, Guba) (000685):

The company's main business scope is: environmental protection and water affairs as the leader, commercial real estate and equity investment as the two wings. After the company absorbed Zhongshan Public Utilities Group Co., Ltd., the original controlling shareholder of the merged company, it mainly engaged in three main businesses: tap water production and supply, sewage treatment and commercial real estate.

[2], Zhangzhou Development (000753, shares it) (000753):

Scope: investment and development of roads and highways; Urban infrastructure development and construction; Municipal engineering investment and management; Real estate development and management; Urban water supply (water production). With the increasing attention of national and local governments to environmental protection, the sewage treatment industry is facing a relatively relaxed external environment, and the daily sewage treatment capacity is steadily improving. In the first half of the year, the operating income of water business was 2,654.38+0.83 million yuan, slightly lower than that of the same period last year, and the operating income of sewage treatment business was 654.38+0.654.38+0.38 million yuan, a year-on-year increase of 45.69%.

[3], add resources (000826):

The company's main business covers the investment and operation of municipal water supply and sewage treatment projects; Design and technical consultation of facilities related to municipal solid waste, industrial solid waste and hazardous waste treatment and recycling, project construction, production and sales of related equipment, operation management and supporting services.

[4] Capital stock (600008, share bar) (600008):

The company's main business is urban water supply and sewage treatment, and it is committed to the marketization process of water industry in China. Beijing Water, the holding company, accounts for nearly 80% of Beijing's sewage treatment capacity and is one of the largest water companies in China at present. Based on Beijing, the company has gradually established a water system that radiates across the country, and initially completed the strategic layout of key cities in the country.

[5], Nanjing Hi-Tech (600064, shares it) (600064):

Nanjing Xingang Water Co., Ltd. is a wholly-owned subsidiary of the company with a registered capital of 35 million yuan. Mainly responsible for the treatment of industrial sewage from enterprises in Nanjing Economic and Technological Development Zone. At present, the company's sewage treatment capacity is 40,000 tons/day. With more and more enterprises entering Nanjing Economic and Technological Development Zone and the improvement of surrounding areas, the company will form a sewage treatment capacity of 6,543,800 tons/day in the long term.

[6], Wuhan Holdings (600 168, Share Bar) (600 168):

The company also occupies an important position in Wuhan sewage treatment industry, and its subordinate Hu Sha Sewage Treatment Plant (Phase I) is the earliest secondary sewage treatment plant in Wuhan. In 2009 10, it was announced that the company planned to acquire the assets of Wuhan Urban Drainage Development Co., Ltd. Hu Sha Sewage Treatment Plant Phase II and Phase III at the prices of 103, 92 1 and 560 yuan. After the acquisition of Hu Sha Phase II and Phase III, the company can realize centralized and unified management of Hu Sha Sewage Treatment Plant, expand the scale of the company's sewage treatment business, improve operational efficiency and optimize assets, which is conducive to the further development of its main business.

[7], ST junior high school (600 187):

The company's business scope covers the investment, construction and operation of municipal water supply and drainage projects and ecological environment improvement projects, and the development, production and sales of related water supply and drainage technologies and equipment. In the first half of 2009, the water supply of the company's water supply project was14.72 million m3, the water fee recovery rate was 99.6%, and the annual water quality qualified rate was 100%. In the first half of this year, the sewage treatment capacity of sewage treatment project was 6.75 million m3, and the qualified rate of effluent quality of sewage treatment plant was 100%.

[8], South China Sea Development (600323, Guba) (600323):

In 2007, the company won Songgang sewage treatment project and Luocun sub-district office sewage treatment project, further expanding the company's sewage treatment business. In addition, the foundation stone has been laid for the company's Danzao Hengjiang Sewage Treatment Plant and the urban sewage treatment plant, and the second phase expansion project of Pingzhou Sewage Treatment Plant is in the early stage of preparation. Focusing on the established development strategy, the company is actively pioneering and enterprising, seizing the opportunity of the local government to vigorously promote energy conservation and emission reduction, environmental protection and pollution control, and based on the three main businesses of water supply, sewage treatment and solid waste treatment.

[9], Hongcheng Water Industry (60046 1, shares it) (60046 1):

At present, the company's main business is urban water production and urban sewage treatment. Wenzhou qingbo sewage treatment co., ltd, a 5 1% subsidiary of the company, has a registered capital of 8 million yuan; Mainly engaged in the design and construction of sewage treatment projects and the research and development of water treatment technology (operating with qualifications).

[10], Entrepreneurship and Environmental Protection (600874):

The company's main business is sewage treatment and water supply. It has several sewage treatment plants in Zhuangzi and the eastern suburbs and the best sewage treatment research center in China. Formed a complete industrial chain of sewage industry from research and design to construction and operation. The company has actively expanded to the outside world, and has successfully entered the sewage treatment and water supply markets in Guizhou, Hubei, Zhejiang, Xi and other provinces and cities, and its profitability has been further strengthened. The company is the standard setter of sewage treatment operation industry in China, and the Technical Specification for Operation, Maintenance and Safety of Urban Sewage Treatment Plants (CJJ60-94) edited by it was approved and implemented by the Ministry of Construction on July 20 14, 1995. The national standard "Industrial Water Quality of Urban Reclaimed Water Utilization" was officially implemented on April 1 2006.

[1 1], Guang 'an Aizhong (600979, Guba) (600979)

The company's main business is hydropower generation and power supply; Natural gas supply; Production and supply of tap water. The company takes urban and rural water supply as the main body, increases water production capacity, enters the sewage treatment industry, realizes the integration of water production, water supply and sewage discharge treatment, and adds high-quality water supply business in residential quarters to meet the needs of different consumption levels and improve the profit rate of water supply.

[12], bluestar cleaning (000598):

The growth of sewage injection business is expected to accelerate the company's transformation into a leading sewage treatment company in southwest China. There are 8 sewage plants in Chengdu Drainage Company (about 6.5438+0.3 million cubic meters/day), which are responsible for sewage treatment in downtown Chengdu, with clear assets. The reorganization is basically completed, and we think the company will shift its focus to improving the growth of sewage business, which will greatly promote the solution of the bottleneck of the pipe network and the expansion of the extension. The probability of increasing sewage treatment capacity to achieve "10%- 15% average annual growth" is expected to exceed expectations in the next two years, reaching about 20%.

[13], Shanda Walter (0009 15, Gu Ba) (0009 15):

The company's environmental protection industry includes Shanda Walter Environmental Protection Branch and Shanda Walter Environmental Protection Engineering Co., Ltd., involving water treatment equipment, disinfection products, power plant flue gas desulfurization and other businesses. The sewage treatment capacity has doubled. With the support of the government, some water plants in the province will be integrated to realize the treatment capacity of sewage treatment facilities of 400,000 tons/day, and the water plant system with the treatment capacity of 6.5438+0,000 tons/day will be managed and operated during the expansion period.

[14], Li He shares (000532, shares bar) (000532):

Zhuhai Lihe Environmental Protection Co., Ltd., a 90% subsidiary of the company, was established by Lihe Co., Ltd. and Tsinghua Science Park Venture Capital Co., Ltd. with a registered capital of 40 million yuan. Relying on the financing strength of listed companies and Tsinghua University's strong technical strength in environmental engineering, the company specializes in the financing investment, construction, operation management, process technology and equipment consultation of urban sewage treatment plants and the development of related environmental protection projects, and is also committed to the investment and operation management of sludge treatment, garbage treatment and high-concentration industrial wastewater treatment projects. At present, the company's main investment and operation projects include: operating Zhuhai Jida Sewage Treatment Plant (Phase I) in TOT mode, operating Zhuhai Jida Sewage Treatment Plant Phase II and Zhuhai Shinan District Sewage Treatment Plant in BOT mode.

[15], Public Utilities (600635, Bar) (600635):

Founded in 199 1, Volkswagen has become a large group company covering urban transportation, gas, municipal administration, environment, financial venture capital and other industries. By June 5438+February 3, 20091,the total assets of the entire Volkswagen Group had reached 20 billion yuan, and its market value was close to 35 billion yuan. Xuzhou Yolanda Environmental Protection Engineering Co., Ltd. is a well-known environmental protection enterprise based in Xuzhou and serving Huaihai area. There are five sewage treatment plants in Xuzhou, including Sanba River and Peixian County. The long-term sewage treatment scale is 330,000 tons/day, and the current actual operation capacity is 6,543,800 tons/day. The company owns 100% Sun Company Shanghai Volkswagen Jiading Sewage Treatment Co., Ltd. and 90% Sun Company Hangzhou Xiaoshan Qiantang Sewage Treatment Co., Ltd.

(2) Sludge disposal enterprises

[1], bluestar cleaning (000598):

Chengdu Rongxing Investment (000598, Share Bar) Co., Ltd. (hereinafter referred to as Rongxing Company), a major asset restructuring party of Bluestar Cleaning Company, received the Document No.200952 of Sichuan Provincial State-owned Assets Supervision and Administration Commission and the Reply on Issues Related to Chengdu Rongxing Investment Co., Ltd.' s Proposed Major Asset Restructuring of Bluestar Cleaning Company on August 4, 2009. It is agreed that Rongxing Company will replace all assets and liabilities held by Bluestar Clean with 0/00% equity of Chengdu Drainage Company (hereinafter referred to as "Drainage Company"). The growth of sewage injection business is expected to accelerate the company's transformation into a leading sewage treatment company in southwest China. There are 8 sewage plants in Chengdu Drainage Company (about 1.3 million cubic meters/day), which are responsible for sewage treatment in downtown Chengdu, with clear assets.

[2], Li He shares (000532):

Zhuhai Lihe Environmental Protection Co., Ltd., a 90% subsidiary of the company, was established by Lihe Co., Ltd. and Tsinghua Science Park Venture Capital Co., Ltd. with a registered capital of 40 million yuan. Relying on the financing strength of listed companies and Tsinghua University's strong technical strength in environmental engineering, the company specializes in the financing investment, construction, operation management, process technology and equipment consultation of urban sewage treatment plants and the development of related environmental protection projects, and is also committed to the investment and operation management of sludge treatment, garbage treatment and high-concentration industrial wastewater treatment projects. At present, the company's main investment and operation projects include: operating Zhuhai Jida Sewage Treatment Plant (Phase I) in TOT mode, operating Zhuhai Jida Sewage Treatment Plant Phase II and Zhuhai Shinan District Sewage Treatment Plant in BOT mode.

(3) Sludge and sewage treatment equipment enterprises

[1], Tiantong shares (600330, shares bar) (600330):

The company is located in Haining City, Zhejiang Province, and was established in 1984. It is the first listed company controlled by a natural person in China, with assets of nearly 3 billion and several molecular companies. The company has always attached great importance to environmental protection. In recent years, we have increased our investment in the second venture and strived to make the environmental protection industry bigger and stronger. We have cooperated with Japanese companies such as Mitsubishi and Hitachi for more than ten years, and have several joint venture factories. The main product is disc sludge dryer, which is the sludge drying technology recommended by three ministries and commissions of the country, and is also the mainstream drying equipment for sludge disposal in developed countries, which is at the international leading level. The company introduced the sludge "drying+incineration" disposal technology suitable for China's national conditions from Mitsubishi, Hitachi and other companies, with a high starting point and large investment, and developed an integrated environmental protection technology suitable for China's national conditions, covering sludge disposal, municipal solid waste and sewage treatment. This technology is mature and advanced, standardized and environmentally friendly, with high degree of automation, moderate investment and low operation and maintenance cost.

[2], Huachang Chemical (002274, shares it) (002274):

During the Twelfth Five-Year Plan period, the application market of SCWO technology is expected to reach 27 billion yuan, with an annual increase of 2 billion yuan. Ikewo Environmental Protection Energy Company, in which our company shares, mainly produces SCWO equipment for treating sludge, landfill leachate and high-concentration organic wastewater. We predict that by 20 15, SCWO technology will treat 25% ~ 30% of sludge, landfill leachate and high-concentration medical wastewater, and the static market capacity will reach 27 billion yuan, with a dynamic increase of nearly 2 billion yuan every year. As a technology leader, the shareholding company is expected to benefit from the high growth of the industry.

[3], Chuangyuan Technology (00055 1, Guba) (00055 1):

The company is a leading enterprise in the production of environmental protection water purification equipment for water purification and wastewater recycling in China, and it is in a leading position in air purification technology, water treatment technology and gas purification technology. Jiangsu Su Jing Group Co., Ltd., which belongs to the company, has advanced equipment and testing methods in today's purification equipment industry, which makes it in a leading position in air purification technology, water treatment technology, gas purification technology and central air conditioning purification technology in China. He has undertaken national and Jiangsu key scientific and technological projects for many times, and won 3 national science and technology conference awards, 3 national silver awards 1, 9 second-class awards and 3 third-class awards for scientific and technological progress of the Ministry of Electronics Industry. And has a 17 technology patent, and the profit prospect is promising.