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. Shanghai Meadville Ltd. 龚永林 for printed electronics engineer made a further explanation, he said that environmental protection circuit board, printed circuit board manufacturing process is conventional surface treated copper foil etching environmental board, also known as a subtractive method. It is used as a substrate for copper clad laminates by screen printing or photo-imaging resist circuit pattern is formed by chemical etching to obtain a circuit; if the double-sided or multilayer PCB but also for hole metallization and electroplating achieve interlayer circuit interconnects. Environmental board waterproof varnish features are as follows: Environmental board waterproof varnish has excellent waterproof effect; green circuit board waterproof insulating paint has good electrical insulation properties; environmental board waterproof varnish has excellent low-temperature resistance; environmental protection PCB waterproof insulating paint has good corrosion resistance, is an excellent anti-corrosion coatings; infiltration environmental board waterproof varnish, can penetrate to the bottom of the device; green circuit board waterproof varnish which has good workability Species circuit board environment, suitable for spraying, brushing, roll coating technology; environmental protection circuit board waterproof insulating paint has good reworkability; environmental board waterproof varnish film dense bright, strong adhesion, and decorative. Which board green | Guangdong Environmental board | 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!