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 layer multilayer professional providers, to provide customers with high-precision, high quality Shenzhen board circuit board material, quality assurance, reasonable prices. Circuit board according to grade level from bottom to high divided as follows: 94HB / 94VO / 22F / CEM-1 / CEM-3 / FR-4 details are as follows: 94HB: the ordinary cardboard, not fire (most low-end materials, die punching, can not do the power board) 94V0: flame Cardboard (die punching) 22F: Semi-sided glass plate (mold punching) CEM-1: single-sided glass plate (must be computer drilling circuit board comparative material good or bad, can not punch) CEM-3: Double-sided half glass plate (except double-sided double-sided cardboard outer belong to the low end of the material, a simple two-panel can use this material, will be cheaper than FR-4 5 ~ 10 yuan / square meter) FR-4: double-sided glass plate Snyder International Limited Shenzhen Branch - The Department of Electronic Science and Technology Co., Ltd. - The Department of Electronic Technology Company is a professional custom single-sided, double-sided, 2-40 storey density multilayer professional providers, to provide customers with high-precision, high-quality circuit board in Shenzhen, quality assurance board material quality and reasonable price. We can not just pass electrical insulation board flexible circuit board material, so the surface needs copper. So we put the PCB, also known as copper substrates. In the factory, the code is common copper substrate FR-4, this is generally no difference in the various card manufacturers inside, so we can say that we are at the same starting line, of course, if it is a high-frequency boards, preferably with higher cost of copper clad PTFE glass cloth laminate. Flexible circuit board material _ _ Guangdong circuit board materials Newell Newell hit by the Shenzhen Electronic Technology Limited. Newell Shenzhen Electronic Technology Co., Ltd. (www.yipcb.com) (www.yipcb.com) strong, credible, a printed wiring board in Shenzhen, Guangdong and other industries has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Newell invasive and you hand into the brilliant, for a better future!