Niadtong Marso 26, 2023, giimbitar sa Hangzhou Hanpai Mold Technology Co., Ltd. si Propesor Ling Guoping gikan sa School of Materials sa Zhejiang University, Shen Liang, usa ka senior engineer gikan sa Hangzhou Institute of Mechanical Science, Fang Jianjun, deputy general manager sa Liyang Ji ...
Basaha ang dugang pa