Beijing Xianhe Education Development Co., Ltd. was established in 2000 and specializes in the research and development and production of scientific experimental supplies for primary and secondary school students. The company has hired special teachers in Capital Primary School with rich teaching experience and experts who have been engaged in primary education research for a long time to form a R&D team, and hired senior technical personnel for production and professional management personnel for operation and management. The Xiaowantong series, a trademark product under Xianhe Company, is based on scientificity, education, safety and simplicity, and combines the principles of "fine, small, suitable and intact".