The registration address of shenzhen city is 6012b, located in shenzhen city, in shenzhen city, in shenzhen city, in sakada street, ishioka tong community, factory no. 4 of shenzhen city, with the registration authority of shenzhen city market supervisory authority, and the legal person's representation of the reason for the promotion of human beings, including electronic goods, communications equipment, computer network technology, development and sale of computer software and hardware; and the operation of import and export operations (except for projects prohibited by laws, administrative regulations, decisions of the state council, restrictions on access to permits). Distribution of pet foods and supplies; development of hardware products; wholesale distribution of hardware products; retail sale of hardware products; development of mechanical equipment; development of valves and rotors; sale of valves and rotors; sale of wind and electric tools; sale of groceries for daily use; sale of metal tools; development of household appliances; sale of spare parts for domestic appliances; sale of domestic appliances. Production of surveillance cameras, hard disk video machines, monitoring testers, control keyboards, study machines, door-barriers, canteen consumer machines, rfid readers (except for projects that are subject to a legal licence). (a project subject to legal approval may only be carried out with the approval of the relevant department, subject to the approval documents or licences of the relevant department)