It is reported that the traditional high-pole lamps at Harbin International Exhibition Center Plaza were replaced by new high-brightness LED high-pole lamps on June 14, the high-brightness LED lamps make the night of whole square to be brighter. Jian Liu, the general manager of HIT Optoelectronics Corp. of HIT Group, introduced that the minimum temperature the traditional LED high-pole lamp can endure is minus 35 ℃. The new high-brightness LED high-pole lamps installed at Harbin International Exhibition Center Plaza are specifically designed for extrem...