Metro high-speed rail projects: Changsha, Wuhan, Xi'an, Qingdao, Shanghai, Hangzhou, Shenzhen and other Metro projects

Metro high-speed railway projects Changsha, Wuhan, Xi'an, Qingdao, Shanghai, Hangzhou, Shenzhen and other Metro projects are using huaxin GCL/CBL Series Light Box Power Supply, the utility model is mainly used for the indoor guide and light box system with high requirements under the conventional environment