Multinational companies that have entered the environmental protection industry market in China are well-known in the water field, such as Veolia Environmental Group (formerly known as Vivendi), Suez Group, and Times Water Company of the United Kingdom. As early as the early 1980s, Veolia entered China through its engineering subsidiary OTV- Kruger. At present, Veolia has built more than 20 sewage treatment plants and drinking water treatment plants in China through acquisition, and with this advantage, it has jointly acquired the equity of Shenzhen Water Group with Capital Corporation, becoming one of the most active foreign-funded enterprises in the water sector in China. Suez is one of the largest water companies in the world, with operations in more than 30 countries. Since 1975, it has entered the China market and established a Sino-French water joint venture company. Its business is mainly concentrated in Europe and America, with China accounting for only about 2%. British Thames Water Company is the holding company of German RWE Group (one of the top 500 enterprises in the world) and the third largest water company in the world. Entered China on 1989. Berlin Water has a history of 120 years, and entered China in 1998. In August, 2003, Wang Xiaoying Sewage Treatment Plant was successfully acquired.
In the field of garbage, there are world-renowned environmental protection enterprises such as Oros, Singapore Ke Sheng Environmental Management Company and Hong Kong Asia-Pacific Environmental Protection Co., Ltd. Oros is the second largest garbage disposal enterprise in the world and belongs to Veolia Environmental Group. At present, OLYS has designed, invested and built several landfill sites and waste incineration plants in China, Hong Kong, Macao and Taiwan, as well as Guangzhou, Shanghai, Hangzhou and Tianjin. Singapore Ke Sheng Environmental Management Co., Ltd. established a joint venture with the state-owned Shanghai Environmental Investment Company in 2004 to explore the field of domestic waste treatment. Hong Kong Asia Pacific Environmental Protection is a large multinational company. It announced that it will invest 3 billion yuan in Chinese mainland to build 10 garbage treatment plant within five years, with a daily processing capacity of 1000 tons. The first targets are Beijing, Shanghai, Shenyang and Dongguan.