Patents/Inventors

Yalin Sun

ShanghaiCN1 patent

2 Patents

US124603312025
Right-angle Needle-punching Mechanisms and Needle-punching Devices
Q-CARBON MATERIAL CO., Ltd.
0 cites
US123840742025
Tooling Mold for Brake Disc Manufacturing and Method for Brake Disc Manufacturing
Q-CARBON MATERIAL CO., Ltd.
0 cites