性爱无码高清电影|亚洲第一播放器|国产精品日日摸夜夜摸添孕妇|日本在线不卡免费|日韩A片大全在线观看|国产精品Av在线观看|欧美日韩另类一级二级|国产一区二区三区高清无码|成人网站在线观看视频|TS女神第一福利视频

Ningbo Steel has launched production of its independent R&D steel for battery case of new-energy cars. The quality of the steel reaches international advanced level through test. Currently only 4 steel plants in the world can produce such steel in a stable pace. Nex step, Ningbo Steel will update the steel to improve its quality, striving to become a “new star” of core components supplier for new-energy cars.

• [Editor:Wang Linyan]