Some investors asked Shanghai Electric Power Co., Ltd., when did your company's 78-layer PCB board start producing energy? On November 2, the company replied that the company has mastered the ability to produce PCBs with more than 100 layers, and has achieved mass production of 54 or more high multi-layer boards.

Some investors asked Shanghai Electric Power Co., Ltd., when did your company's 78-layer PCB board start producing energy? On November 2, the company replied that the company has mastered the ability to produce PCBs with more than 100 layers, and has achieved mass production of 54 or more high multi-layer boards.