http://pastport.jp/user/sokoyosolar ja-JP SOKOYO is one of the largest solar streetlight vertical manufacturers all over the world, and has also participated in the formulation of China's national standard for solar street light manufacturing.https://www.sokoyosolar.com/ 2021-12-13T16:28:36+0900 http://pastport.jp/user/sokoyosolar/timeline/sokoyosolar sokoyosolar http://pastport.jp/user/sokoyosolar/timeline/sokoyosolar