Inventor

Wang jun-hua

CN2 patents

Patents

2 patents

US9980386B1May 22, 2018

Flexible printed circuit board and method for manufacturing the same

HONGQISHENG PREC ELECTRONICS QINHUANGDAO CO LTD9 citations77

US10667402B2May 26, 2020

Embedded circuit board and method of making same

HONGQISHENG PREC ELECTRONICS QINHUANGDAO CO LTD0 citations35