1, Hunan Lehai Environmental Protection Technology Co., Ltd (former name: Hunan Zeng's Lehai Chemical Specialized Environmental Protection Equipment Co., Ltd.), founded in 2015, is located in Changsha City, Hunan Province, is an enterprise engaged in the manufacturing of specialized equipment. The business scope includes design and development of environmental protection equipment; wholesale of other mechanical equipment and electronic products; sales of environmental protection equipment, energy-saving and environmental protection products, and petrochemical equipment; installation of petrochemical equipment; manufacturing of special equipment for oil refining and chemical production, and special equipment for metallurgy; retail of hardware products; service of electrical equipment; and import and export of goods or technology (except for import and export of goods and technology prohibited by the state or involving administrative approval).
2. Hunan Huasi Instrument Co., Ltd, founded in 2014, is located in Changsha, Hunan Province. The business scope has experimental analysis instrument manufacturing; intelligent instrument manufacturing; instrument manufacturing; optical instrument manufacturing; industrial automatic control system device manufacturing; electronic components and electromechanical components equipment manufacturing; metal processing machinery manufacturing; pumps and vacuum equipment manufacturing; Internet of Things equipment manufacturing; terminal test equipment manufacturing; mechanical parts and components processing; mechanical equipment research and development; valves and cocks research and development; artificial intelligence Application Software Development; Artificial Intelligence Basic Software Development; Software Development; Internet of Things Technology Research and Development; Hardware Product Research and Development; Internet of Things Application Services; Internet of Things Technology Services; Experimental Analyzing Instruments Sales; Instrumentation Sales; Optical Instruments Sales; Mechanical Equipment Sales; Intelligent Instrumentation Sales; Internet of Things Equipment Sales; Mechanical Parts and Components Sales; Industrial Automation Control System Device Sales; Electronic Components and electromechanical components equipment sales; valves and plugs sales; pumps and vacuum equipment sales; hardware products retail; hardware products wholesale; terminal test equipment sales; engineering and technology research and experimental development; import and export of goods.
3. Hunan Zhongxian Intelligent Technology Co., Ltd, founded in 2020, is located in Changsha, Hunan Province, China. The business scope of software development; intelligent equipment, general instrumentation, environmental protection special equipment manufacturing; electromechanical equipment processing; industrial design services; information technology consulting services; self-supporting and agent of all kinds of commodities and technology import and export, but the state limited to the company's business or prohibited the import and export of commodities and technologies, except; general machinery and equipment sales; environmental protection technology promotion services; special equipment repair, sales; electromechanical equipment Installation engineering contracting; electromechanical equipment installation services; intelligent installation engineering services; automation control system research and development, installation, sales and services.
4, Hunan Xiangdong Chemical Machinery Co., Ltd. was founded in 1980, located in Zhuzhou City, Hunan Province, is a special equipment manufacturing enterprises. The scope of business are oil refining equipment, chemical equipment (including ball tanks), environmental protection equipment, tank trucks, turbines, pumps, gas furnaces, pressure vessels and accessories, castings and forgings, tools, molds, cutting tools, industrial gases, manufacturing and sales; plant production facilities, equipment construction and installation; tank trucks, pressure vessels (including steel cylinders, seamless cylinders), chemical machinery, gas appliances overhaul; pressure vessels, tank trucks, design; metal surfaces and Heat treatment; new patented products, new materials development; chemical machinery technology consulting, information services; catering, lodging services; labor protection supplies, measuring instruments, rubber products, industrial valves, general equipment parts, building materials, calcium carbide, welding rods, liquefied petroleum gas sales; asset leasing; import and export business.