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. Clean surface dirt with ethanol may appear Goldfinger discoloration, one should be careful. Was washed with gilt, the price is relatively high. 

keywords: Surface dirt, Disposable flux, misconduct,