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 circuit boards, circuit board materials, quality assurance, reasonable prices. Development board of raw materials, has gone through nearly 50 years of history. Coupled with this industry to determine before 50 years or so, the basic raw material it uses - resins and reinforcing materials science experiments and exploration, the Guangdong circuit board, PCB board substrate material has accumulated nearly a hundred years of history. Each stage of the development of substrate materials industry, are subject to electronic machine products, semiconductor manufacturing technology, electrical installation technology, electronic circuit manufacturing technology driven innovation. 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 Shenzhen circuit board quality, quality assurance, reasonable prices. CCL by flame retardant classification can be divided into flame retardant (UL94 a VO, UL94 a V1 level) and non-flame retardant (UL94 HB level a) two boards. Nearly two years, with more emphasis on environmental issues in the CCL in turn branch retardant without bromine was a new breed of CCL, circuit boards gold extraction, can be called "green flame retardant cCL". With the rapid development of electronic products and technology, to cCL higher performance requirements. Therefore, the performance of CCL classification, divided into general performance CCL, low dielectric constant CCL, high heat resistance, CCL (general board of L at above 150 ℃), low thermal expansion coefficient of the CCL (generally used on the package substrate ) and other types. With the development of electronic technology and the progress of the printed circuit board substrate materials continue to put forward new demands, thereby promoting the CCL standards continue to evolve. Newell record (Figure) _ _ Guangdong circuit board tester board is supplied by Shenzhen Electronic Technology Co., Ltd. Newell. 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!