Limited Speed Control Sign applied in one of the tunnels in shanghai,high illuminance, high IP level, long service life it provides with advanced LED chips embedded.
Shanghai Sansi has customized LED equipment and control systems for smart light poles, road lighting and intelligent transportation for Jingxiong Smart Express...
View Details
Hongkong-Zhuhai-Macau Bridge is the longest sea-crossing bridge so far, was reported by Guardian as one of " The Seven Wonders of Modern World". The ...
View Details
Copyright © Shanghai Sansi Electronic Engineering Co., Ltd. ICP：05026781Powered by Sansi
