The registration address of yongcheng trade and industry limited in beijing is located in room 123, no. 28, of the 4 square houses of the red gate road in the old palace town of beijing, city of beijing. The registration authority is the market supervision authority of the beijing economic and technology development zone, represented by the legal person anhui, and operates on a computer-based basis: painting (limited to production operations in the outer port); sales of plastics, metal products, general parts, car parts, hardware and electricity (excluding electric bicycles), chemical chemicals (other than chemically dangerous products and a class of toxic chemicals), computers and peripheral equipment; advertising, production; information counselling (except for intermediaries); repair of motor vehicles (limiting the use of water paints and cleaning of paints and shotguns and accompanying waste gas collection and treatment devices); and retail paper products. (the subject of the market may, in accordance with the law, freely choose to operate projects and carry out business activities; projects which are subject to legal approval and which are subject to the approval of the relevant sector; and activities in which the state and municipal industrial policy prohibits and restricts such projects