Is Shaanxi Drum Group a state-owned enterprise or a central enterprise?

According to Aiqi official website, Shaanxi Blower (Group) Co., Ltd. (hereinafter referred to as "Shaanxi Drum") was established in 1968, which is a system solution provider and system service provider in the distributed energy field with more than 50 years of innovation and development. Shaanxi drum energy-saving and environmental protection products and smart green system solutions and system services are widely used in petroleum, chemical industry, energy, metallurgy, air separation and other important pillar industries of the national economy. At present, Shaanxi Drum Group owns two listed companies, namely Shaanxi Drum Power (stock code 60 1369) and Standard Stock (stock code 600302), as well as a number of wholly-owned and holding subsidiaries. Shaanxi Blower (Group) Co., Ltd. (formerly Shaanxi Blower Factory) is a large-scale backbone enterprise that produces turbine blowers and compressors in China, and a key backbone enterprise in provinces and cities. National second-class enterprise. 1994 passed ISO900 1 quality system certification, and in 2006 1 passed IS0 1400 1 environmental management system certification. Ongoing system (OHSMS) certification and SA8000 social responsibility certification. The enterprise was founded in 1968, officially completed and put into production in 1975, and the group company was established in 1996. 1June, 1999, relying on the production and operation entities and excellent assets of the group company, Xi' an Shaanxi Drum Power Co., Ltd. was established with a capital of/kloc-0 1.455357 billion yuan, and the group company held 98.624% of the shares. Group company subordinate parts manufacturing company, low-speed fan factory, Huaqing machinery factory, Lishan fan factory and fan installation company. Scope of business: Specialized and integrated energy interconnected island system solutions and system services in the distributed energy field; R&D, the design, manufacture, sales, installation and debugging, after-sales maintenance service and remanufacturing of electromechanical products and equipment such as complete sets of equipment, large compressor sets, blower sets, steam turbines, gas turbines, ventilation sets, various turbine machinery, instruments and meters, industrial sewing machines, intelligent equipment and automation equipment; General contracting of engineering projects, installation of mechanical and electrical equipment, operation and maintenance management and service of the whole industrial process, technical development and service of energy conversion system, diagnosis and evaluation of energy-saving projects and energy efficiency analysis, energy conversion system, energy-saving and environmental protection engineering design and engineering cost, etc. System services of energy interconnection island system solutions, system solutions of industrial services such as health management, installation and debugging, inspection and maintenance, spare parts service, maintenance and intelligent service, and green intelligent remanufacturing in the distributed energy field; R&D, complete sets, procurement and sales of industrial gas application technology and equipment; Manufacturing of basic chemical raw materials (excluding manufacturing of licensed chemicals such as dangerous chemicals); Sell the company's own products; Research, popularization and application of emerging energy technologies; Energy conservation management services; Engineering management services; Supply chain system solutions and system services with steel, coal, chemical products, wood and other commodities as the main products, such as production and marketing convergence, inventory management, intelligent logistics, etc.; Purchase and sale of mechanical and electrical products and raw and auxiliary materials, engineering equipment, metal materials, labor protection articles, building materials, electronic products and parts, Wujinjiaodian, agricultural and sideline products, wood and products, mineral products, lubricating oil, chemical products and raw materials (except dangerous goods), coal and products (excluding warehousing and on-site transactions) and daily necessities; Carbon emission reduction, carbon transformation, carbon capture and carbon sequestration technology research and development; Design, integration, simulation, monitoring, evaluation, remote diagnosis, control and process optimization of digital intelligent system, software development, technical consultation and other intelligent system solutions and system services of solutions; State-owned assets management; Environmental and clothing civilization system solutions and system services; Entrusted by this enterprise and its affiliated enterprises, provide management services and internal post (employee) training for them; Property management; Hydropower sales; Advertising design, production, distribution and agency; Import and export business of goods and technology. Permitted projects: investment, construction, operation and service of comprehensive energy integration projects such as cogeneration, regional central heating, utilization of waste heat and pressure, biomass power generation, garbage power generation, triple supply of natural gas, zero industrial discharge, synthetic leather wastewater treatment, municipal zero-carbon water supply, industrial and municipal parks and smart cities, liquefied natural gas, photovoltaic power generation, geothermal energy utilization and energy storage; Development, construction, operation and service of industrial gas, rare gas and special gas projects (limited to subsidiaries); Development, construction, operation and service of photovoltaic power generation application (hydrogen production), comprehensive utilization of coke oven gas, energy storage, high-end chemical industry and other technologies and projects; Production and sales of food additives; Real estate development and leasing; Periodicals and magazines are published. (If the above business scope involves licensed projects, it shall be operated within the validity period with the license certificate or approval certificate, and shall not be operated without permission).