Qingdao Wantong Shida Electronics Co., Ltd., established in 1998, is a comprehensive enterprise dedicated to the research and development, manufacturing, and marketing of LED urban landscape lighting fixtures. With a registered capital of 100 million yuan, the company has invested more than 90 million yuan in total and occupies an area of approximately 10,000 square meters. It places significant emphasis on product quality and technological innovation, continuously increasing its investment in science and technology, and has introduced advanced equipment and a comprehensive management system.

The company's brands, "Wantong Shida," "WTSD," and "Wantong Jingrui," are highly regarded within the industry and have consistently contributed to the illumination and beautification of major cities both domestically and internationally. Its products have been successfully implemented in numerous key municipal engineering lighting projects, including those at the Qingdao World Horticultural Exposition and the Qingdao International Beer Festival.