The industry chain of water resource treatment is relatively short, including membrane production enterprises, engineering and installation enterprises, business enterprises 。。。。
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Supplementary
You said BOTTOT, let me explain to you, BOT project local government to the national public institutions usually undertake the design, construction, financing and maintenance of large-scale infrastructure or industrial project concessions to the domestic and foreign private sector contractors or sponsors, allowing the private sector to operate the facility for a fixed period of time and in the period of time BOT is mainly applicable to the private sector (mostly international private consortiums) to invest in energy, transportation, communication, environmental protection and other infrastructure projects. projects for investment.
TOT refers to the host country has been put into operation in a certain period of time to the foreign capital operation, to the project in the period of cash flow as the subject, a one-time from the foreign investors to finance a sum of money for the construction of a new project, foreign capital after the expiration of the period of operation, and then transfer the original project back to the host country.
Turnkey wastewater treatment is similar to the meaning of water treatment outsourcing.
Some time ago, we do a water resource treatment investment survey, as you say, a one-stop company is almost none, are operating separately, water treatment materials, Dow, the domestic membrane of the day membrane, Blue Star, operating in Japan, such as Toray, to conceal more! There is no such a dragon all-inclusive large companies. Annual profit of 100 million? No ~ Europe and the United States have, but are diversified business, there is no separate water treatment, such as Dow!