At the beginning of New Year, CRRC Changchun Railway Vehicles Co., Ltd. achieved significant breakthrough in the rail transit sector and developed the first metro carbody made of full-carbon fiber composites in the world with the wholly-owned intellectual property right. The successful R&D of full composite material carbody not only reduces the weight of carbody, energy consumption and emission, but also improves its safety, comfort and longevity, etc. More importantly, it explores the direction...