Beijing yinosing technology ltd. Is registered at 7th floor, 7th floor, 7th floor, hong kong road, western red gate, beijing city. The registration authority is the market supervision authority of beijing city and is represented by legal persons, including technology development, advice, services; economic trade advice; business image planning; goods import and export; import and export of technology; sale of mechanical equipment, chemical products (other than hazardous chemicals and one type of toxic chemical), vehicle spare parts, sports supplies, household goods, cosmetics, crafts, cultural goods, electronics, household appliances, communications equipment, medical machinery (limits i, ii), computers, software and auxiliary equipment, hardware products, fire protection equipment, instruments, fireproofing materials, coatings (other than dangerous chemicals), glass products, furniture, office equipment, maintenance instrument forms, electronics and electronics devices; conference services; business management consulting; testing services; rental of mechanical equipment; software development; water loss prevention and treatment services; environmental technology equipment; sale of materials, equipment, fireproofing materials, furniture, office equipment, repair equipment, electronic devices, electronic devices and electronic devices; information technology services for the sale of communications technology and electrical equipment; information system (the subjects of the market are legally free to choose and operate their own projects; the sale of type ii, iii, iv, v radioactive sources, the sale of type i radioactive sources and projects subject to legal authorization; and the carrying out of operations on the basis of the approved content, with the approval of the relevant authorities; they may not engage in activities in which the state and municipal industrial policy prohibits or restricts the operation of type ii projects