Linghangda cooperates with many foreign suppliers and adopts foreign high-quality A-class Kingboard materials and Guangxin photosensitive inks;

In line with UL and ROHS environmental protection standards, after high temperature baking, the ink color is bright and bright, and the characters are clear. All products adopt double testing (AOI optical scanning + flying probe test) to strictly implement the quality PDCA process, continue to improve product performance, and control according to IPC standards. Guarantee the qualified rate of shipment quality;