主营产品：Electric water boilers, stainless steel water dispensers, rice steamers, water treatment equipment, hardware department stores, labor protection supplies sales, etc.
主营产品：R&D, production, and sales of environmental protection and energy-saving equipment, air conditioning equipment, and industrial automation equipment; design and installation of industrial and building energy management systems, industrial and urban Internet of Things systems, smart pipe network systems, and security control systems; new energy and new material technologies Research and development; sales of machinery and equipment, building decoration materials, distribution switch control equipment, complete sets of electrical equipment, lighting appliances, electronic components, hardware tools, communication equipment, and household appliances; self-operated and agent import and export business of various commodities and technologies .
主营产品：Central air conditioning terminal equipment, fire smoke exhaust fans, axial flow fans, air volume control valves, fire dampers, mufflers, water tanks, and static pressure boxes. terminal equipment
主营产品：Drilling hot spring wells, drilling geothermal wells, drilling hot spring well companies, drilling geothermal well companies, drilling hot spring well prices, drilling geothermal well prices, professional hot spring well drilling, professional geothermal well drilling, professional hot spring well drilling companies, professional hot spring well drilling companies, Drilling team, well drilling team, geological drilling, geological prospecting, geophysical prospecting, geothermal prospecting, hot spring prospecting, geothermal drilling, geothermal well development, hot spring well development, photovoltaic hole drilling, spiral ground pile drilling, hot spring well, geothermal well
主营产品：Production, sales, installation, debugging, and machining of valves, flow nozzles, hardware accessories, water treatment equipment, instrumentation, and bellows.
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