Xuzhou Zhong'an Industrial Equipment Co., Ltd. Was established on October 29, 2020, and its business scope includes research and development of valves and cocks; Instrument repair; Electrical equipment repair; General equipment repair; Sales of valves and cocks; Sales of machinery and equipment; Wholesale of hardware products; Sales of industrial automatic control system devices; R&D of mechanical equipment; Sales of special equipment; Security system monitoring service; Sales of special equipment for oil refining and chemical production; Sales of electrical instruments and meters; General mechanical equipment installation services; Technical service, technical development, technical consultation, technical exchange, technology transfer and technology promotion; Sales of electrical and mechanical equipment; Repair of special equipment; Sales of chemical products (excluding licensed chemical products); Conference and exhibition services; Design and construction services for safety technology prevention system; Domestic trade agency; Sales agent; Sales of refrigeration and air conditioning equipment; Sales of special instruments for environmental monitoring; Sales of information security equipment; Digital video monitoring system sales; Sales of intelligent power transmission and distribution and control equipment; Sales of pumps and vacuum equipment; Sales of special equipment for environmental protection; Sales of pneumatic power machinery and components; Sales of power distribution switch control equipment; Sales of electronic measuring instruments; Sales of pharmaceutical special equipment; Sales of special packaging equipment; Intelligent control system integration.