The scope of operation includes gas equipment, environmentally friendly equipment, technological development of construction machinery, technology transfer, processing, marketing; solid waste, wastewater (liquid), treatment of waste gas (without hazardous, controlled, toxic, etc. Requiring authorization), plumbing and equipment installation; sale, lease of gas equipment; sale of gas generators, pressure container manufacturing, pressure pipe installation. (projects subject to legal approval may not operate without the approval of the relevant department)