The registration authority is the market supervision authority of yongja county, represented by a legal person, and includes licensed projects: the manufacture of large recreational facilities (projects subject to the approval of the relevant authorities, subject to the approval of the law, may operate only on the basis of the approval of the project). General items: manufacture of recreational equipment in ordinary open-air playgrounds (excluding large-scale recreational facilities); sale of recreational equipment in ordinary open-air playgrounds; manufacture of teaching models and teaching aids; sale of teaching models and teaching aids; manufacture of toys; sale of toys; manufacture of mother-and-child goods; sale of mother-child goods; manufacture of rubber products; sale of rubber products; manufacture of plastics; sale of plastics; manufacture of sports and equipment; retailing of sports and equipment; manufacture of hardware products; retail trade in hardware products; manufa...