The registration address of hangzhou community environmental science and technology ltd. Is located in 2 101 chambers of the zhejiang province upper city street pedestrian industrial park, with the registration authority being the hangzhou city market supervision authority, representing zhang jung jun, and covering general projects: sale of pumps and vacuum equipment; sale of specialized equipment, critical systems and components for rail transport; sale of technical services, technology development, technical advice, technology exchange, technology promotion; development of mechanical equipment; development of artificial intelligence base software development; software development; valve and rotor development; development of gold products; development of sanitary and cleaning equipment; industrial design services; water pollution prevention and treatment services; sale of gas compression machinery; sale of household garbage disposal equipment; sale of machinery spare parts; sale of instrument meters; sale of metal spare parts for construction; sale of sanitary and cleaning equipment; sale of industrial automated control systems; sale of mechanical equipment; sale of electrical equipment; sale of electrical equipment and other types of equipment for the sale of medical equipment; sale of medical equipment; sale of medical equipment and electronic devices; supply of electrical appliances; supply of electrical equipment; and electronic equipment for the second type ii. In addition to projects subject to authorization under the law, activities are carried out autonomously in accordance with the law and in accordance with the operating licence). Licensing projects: production of type ii medical equipment; lease of type iii medical equipment; production of type iii medical equipment; operation of type iii medical equipment; medical services; internet information services for medical equipment (project subject to legal authorization, subject to the approval of the relevant department) for the operation of the business, subject to the approval of the project). The following branches are operated: general projects: manufacture of general-purpose equipment (excluding special-purpose equipment); manufacture of household waste disposal equipment; manufacture of pumps and vacuum equipment; manufacture of specialized equipment for environmental protection; manufacture of hardware products; manufacture of mechanical and electrical equipment (including special equipment); manufacture of electrical equipment; manufacture of electrical equipment for the purpose of environmental protection in addition to projects subject to authorization under the law, activities are carried out autonomously in accordance with the law and in accordance with the operating licence)。