Mainly engaged in the production and sales of environmental protection equipment, environmental protection materials, air purifiers, disinfectant generators, and rainwater recovery equipment. Environmental technology information consulting, development and sales of computer software, waste gas treatment, desulfurization and denitrification equipment and installation engineering. The products involve multiple fields such as printing and dyeing, leather making, pharmaceuticals, brewing, slaughtering, mechanical processing, electroplating, petrochemicals, etc. The company strictly adheres to the ISO9001:2000 international quality system management, always adhering to the principle of "quality first, reputation first", and insisting on the hard principle of "survival through quality and development through technology".