The business scope includes engineering design, technical consulting, EPC, management of BOT project investment and construction of urban sewage disposal projects, as well as research, development and manufacturing of products for water environment control and protection.

Expertise technologies include:

—Multi-stage A/O/sewage/wastewater biochemical treatment;

—Oxidization channel sewage/wastewater biochemical treatment;

—A/O、A²/O sewage/wastewater biochemical treatment;

— Water Treatment Specialty of National “863” Plan—Fifteen Important Scientific Projects: sewage disposal and recycling by biochemical integrated technology and equipment

Patent Technologies include:

—Rigidless base plate concrete bath and its construction method (patent)

—Sleeve variable-speed cyclone reactor and high-efficiency complex settling tank (patent)

—Sleeve variable-speed cyclone reactor (a new and practical product)