Prominent circuits is a professional PCB(printed circuit board) supplier from China,which offers L1-L40 prototype,low to middle volume PCB,including heavy copper board,hard gold board,impedance control board,blind/via board,gold finger ...

Shenzhen ShiHui Electronic Co. Ltd, established in 1997 China, specializes manufacturing high precision and density single-sided, double-sided multi-layer PCBs with the minimum width of 4mil hole diameter 0.2mm. We have 22 experienced R&D engineers, who ...