Design, manufacture, installation and sales of environmental protection engineering equipment, coating line equipment, organic waste gas treatment and purification equipment, dust removal equipment, smoke removal equipment, desulfurization and denitrification equipment, industrial wastewater treatment equipment, cleaning machines, air conditioning equipment, ventilation ducts, mechanized conveying equipment, industrial boilers, shot blasting, sandblasting equipment, high and low voltage power distribution cabinets, etc.; self-operated and agent import business of various commodities and technologies.