British technology Fresnel lens for Need for sun car

Need for sun car:

Meiying Technology produced a large-size Fresnel lens for the Need for the sun car on September 7, 2014 in the CCTV-10 science and education channel "original so" program broadcast. By the majority of solar enthusiasts praise. Meiying Technology currently produces the largest Fresnel lens diameter of 1.8 meters, is one of the few manufacturers in the world that can produce large Fresnel lenses. Large-size Fresnel lens processing difficulty is to require processing mold lathe high precision, lens transmittance, only high standards of Fresnel lens to collect solar energy efficiency is high.

Program video link: http://tv.cntv.cn/video/C22483/b51a3fea4312446b94344ff7044e6c41