
The total length of Qinghai-Tibet AC-DC interconnection project is 1038 kilometers, with a total investment of more than 16 billion yuan. It is the world's longest transmission project at high altitude and across the frozen land.
LED Projector,Video Projector,Digital 3D Projector,Mini Projector,HD LED Projector
Dedi Technology (HK) Limited , http://www.chlcddisplay.com