The registration address of hong kong extortion materials ltd., dong chong city, is located in room 202, no. 6 of wankang street, no. 23, dong chong, guangdong province. The registration authority is the market supervision authority of dong chong city, represented by a legal person, and includes licensed projects such as interior decorations and construction works. (projects subject to legal approval and subject to the approval of the relevant department to carry out business activities, which are subject to the approval of the relevant department or permit: sales of architectural and decoration materials; sale of floors; sale of building materials; sale of paints (without hazardous chemicals); sale of fire protection equipment; sale of toys, animation and recreational supplies; sale of specialized equipment for environmental protection; sale of eco-environmental materials; fire protection technical services; furniture installation and maintenance services; installation services for electrical appliances; maintenance services for residential utilities; construction of garden greening works; construction of sports site facilities. (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)