Rongxing Investment (000598): Rongxing Investment is a large-scale water supply and drainage integration group in the western region and the most important sewage treatment enterprise in Chengdu. Based in Chengdu and facing the whole country, the business area has been successfully expanded to Xi, Lanzhou, Yinchuan, Shenzhen and Hainan. 20 10, 20 1 1 won the national "environmental protection enterprise competitiveness award" for two consecutive years, and was named "Top Ten Influential Enterprises in Water Industry in 20 1 1 year" by China Water Network.
Zhongyuan Environmental Protection (000544): Zhongyuan Environmental Protection's main business is urban sewage treatment and urban central heating, and its business is regional. The main business area is Zhengzhou, and its market share in this area is 50% for sewage treatment and 40% for heating. On the basis of ensuring the stable operation of the two main businesses, the company gives full play to the investment and financing advantages of listed companies, actively invests in local public utilities, and better serves people's livelihood and urban construction, making great contributions to sewage treatment and urban central heating in Zhengzhou and its surrounding areas.
Entrepreneurial environmental protection (600874): Entrepreneurial environmental protection is a domestic listed company with sewage treatment as its main business. The company has several sewage treatment plants in Zhuangzi and Dongjiao and the best sewage treatment research center in China, forming a complete industrial chain of sewage industry from research and design to construction and operation. The company's sewage treatment capacity reaches 6.5438+0.49 million cubic meters/day, which makes the centralized sewage treatment rate in Tianjin exceed 80%. In 2003, the company began to explore foreign markets. In 2004, it entered the water market in Chibi, Hubei. In 2005, the water markets in Qujing, Yunnan, Baoying, Jiangsu and Honghu, Hubei were successfully developed. In 2006, the company successively entered the water market in Hangzhou, Zhejiang and Wendeng, Shandong. In 2007, the company successfully opened the northwest water market through Xi 'an project. In 2008, the company successfully entered Hebei Anguo water market and gradually formed North China and South China.