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. Treated substrate, an interlayer stability control bits, sizes, go contamination, reliability and surface protection coating, etc. hole metallization and electroplating should be a high priority. This article studies and key part of the production process in the selection process and the problems should be paid attention to summarize and elaborate. 

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