Guangzhou E-Sun Technology Co., Ltd. is one of the most dynamic manufacturing companies in high-tech Printed Circuit Board production in Guangdong province, China. Capacity and technology are expanded rapidly especially in multilayer PCB, Metal PCB, Rigid-flex, HDI, FPC and SMT service.
High e fficient, experienced, technical R&D team. ISO quality system, many materials have attained UL and such kinds of system certification and reach the EU RoHS standards.
Multilayer circuit boards have at least three conductive layers, two of which are on the outer surface, and the remaining layer is synthesized within the insulating board. The electrical connection between them is usually achieved through plated through holes in the cross section of the circuit board.
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