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. ZD is the internal code name plate manufacturers, is the difference between red and blue characters are generally expected something different, such as some companies VO board in red, HB plate with a green word, this is mainly based on the provisions of the various manufacturers; the other by a common PCB materials Divided base paper substrate, glass fiber cloth panels, metal or ceramic substrate to product characteristics divided into high-frequency, high TG, halogen-free, phenolic board system by glue, epoxy boards, acrylic panels, the first few Bit say CEM-1 / CEM-2 / CEM-3 refers to the composite substrate is mainly paper, glass fiber cloth two substrates, FR4 epoxy fiberglass cloth is generally plate. 

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