Jianyu industries ltd., shanghai, main camp, indoor and outdoor equipment. In-house early childhood furniture and indoor children's corner toys are customised for kindergartens. More user-friendly, safe and easy to use furniture for children. Wavelay has become the most popular toy in korea. More than 800 000 kindergartens are used and the korean government has issued the enterprise certification for sustainable development, the export-type sun-yang enterprise certification. The korean universitÉ de tribune, for example, has been used as a teaching tool for subjects, using space distance and linear materials to build bodies and spaces. International children such as those from china, the united states and malaysia are in use and participate in various early childhood education and educational toys fairs。