Branch Snyder Department of International Ltd. Shenzhen-Electronic Technology Co., Ltd. - The Department of Electronic Technology Company is a professional custom single-sided, double-sided, 2-40 storey density multilayer professional supplier, to provide customers with high-precision high quality Shenzhen board, quality assurance, reasonable prices. Making the board with the whole graphic photographic plate. CCL, which is covered with a copper film on both sides of the board, will be cut to the size of the circuit board laminates, and not too large, in order to save material. With fine sandpaper to polish the surface of the oxide layer CCL away to ensure that when the transfer circuit boards, thermal transfer paper, toner can be firmly printed on CCL, polished plate surface is bright good standard, there is no obvious stains 

keywords: Details, semi-hole program,