If you are planning to import black solder mask pcb,Website:http://www.ljpcb.com, Longjiang Circuit International Limited is one of the leading black solder mask pcb manufacturers and suppliers, welcome to contact with our factory.Type: black solder mask PCBfinal board thickness: 0.8mmfinal copper thickness: 35umsolder mask colour: blacksilk screen colour: whiteMin. line width/space: 0.15mm/0.15mmmin diameter of finished hole: 0.4mmsurface finish: immersion gold
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