Tau txais nws Ua tiav ib zaug los ntawm Laser PCB Etching PCB, lub hauv paus thauj khoom ntawm IC (Integrated Circuit), siv cov kab hluav taws xob kom ncav cuag kev sib txuas ntawm cov khoom siv hluav taws xob. Vim li cas nws thiaj li yog daim npav luam tawm? lub condu...