主营：Manufacturing, processing, and maintenance of liquefied petroleum gas compressors and other types of compressors, hydrocarbon pumps, and liquefied petroleum gas recycling machines, as well as maintenance of compressor, diesel engine, and hydrocarbon pump
主营：Research and development, manufacturing, sales, after-sales service, technical consulting services of air compressors and post-processing equipment, automation equipment, railway components, import and export of goods, import and export of technology, lea
主营：Assembly, sales, research and development, debugging and after-sales service of mechanical equipment, cold and hot temperature control equipment, dehumidification equipment, automation equipment and accessories, installation engineering of mechanical and
主营：Refrigeration, air conditioning equipment manufacturing, gas and liquid separation and purification equipment manufacturing, electrical installation services,
主营：Research and development, manufacturing, sales, and technical services of environmental protection machinery and energy-saving equipment, as well as import and export business of various commodities and technologies through self operation or agency
主营：Sales of chemical products, outdoor equipment, electrical instruments and meters, electrical equipment, wearable smart devices, pumps and vacuum equipment, electronic components wholesale, communication equipment sales, computer software and hardware and
主营：Class I, II, III pressure vessels, storage tanks, tanks, high-pressure tank pipes, low-temperature storage tanks, waste material recycling and sales, gasification equipment recycling and sales, tire sales, automotive parts sales
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