主营产品：Technology research and development of crystalline silicon and photovoltaic products; solar cells, silicon wafers, semiconductors, hardware and electrical appliances, photovoltaic materials, photovoltaic equipment, solar equipment and accessories, sapphire, metal materials, electronic products and materials, plastic products, rubber products, paper Sales of products; recycling of waste materials; self-operated and agency import and export business of goods and technology
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：Environmentally friendly and energy-saving gas equipment, stoves and accessories, hotel kitchen equipment, energy-saving heating products, boilers and boiler accessories, sales and on-site installation of liquid fuel static blending equipment, chemical products and additives, environmentally friendly fuel sales and technology research and development and technology transfer, Sales and on-site installation of mechanical equipment.
主营产品：Design, R&D, manufacturing, sales, installation, and after-sales service of solar water heaters, collectors, controllers, and air-energy water heaters; sales and installation of electric heaters, plugs, and wires; sales of hardware and plumbing accessories; engaged in import and export of goods and technology Business, except for goods and technologies that are restricted by the state or prohibited from being imported or exported. (Projects that require approval according to law can only be carried out with the approval of relevant departments)
主营产品：With the international shipping FCL and LCL container transportation agency business as the core, it provides services including booking, customs declaration and inspection, warehousing, land transportation, cargo insurance agency, business legal consulting and other services.
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