Beijing huancheng jiebao clean technology ltd., located on the 5th floor of building no. 47 of the beijing economic and technology development zone, located on the 5th floor of the beijing economic development zone, located on the 5th floor. The registration authority is the market supervision authority of beijing economic and technology development zone, represented by a legal person, yu baoyu. The scope of operations includes the import and export of technology, goods and services; the sale of electrical equipment, type i medical devices, type ii medical devices, chemical products (without dangerous chemicals), disinfection products, stainless steel products, needle textiles, building materials, office supplies, hardware and electricity (without electric bicycles), clothing, groceries, computer software and assistive equipment, communications equipment, washing agents, cars; home decorations; professional cleaning services; gardening and greening services; rental of construction and construction equipment. (an enterprise may, in accordance with the law, freely choose to operate its own projects and carry out its activities; an approved project is subject to the law and, with the approval of the relevant sector, to carry out its activities in accordance with the approved content; and it may not engage in activities that are prohibited or restricted by the industrial policy of the region。