
Engineering and technology research and experimental development; Research and development of environmental protection technology, HVAC equipment, indoor environment and healthy air system equipment and engineering technology; Production of environmental protection equipment, stainless steel kitchen equipment and its products; Manufacturing of fans, fans, refrigeration, air conditioning equipment, urban rail transit equipment, cable bridge, mining machinery, noise and vibration control equipment, energy saving and environmental protection equipment; Distribution switch control equipment manufacturing, sales, research and development; Sales of mechanical and electrical equipment, general mechanical equipment, refrigeration equipment, range hoods, electronic products, kitchen equipment and kitchen supplies, environmental protection equipment, HVAC equipment, ventilation equipment; Sales and manufacturing of fire fighting equipment and equipment; Mechanical and electrical production an... [
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