| Message: | If you are planning to import round led board, Longjiang Circuit International Limited is one of the leading round led board manufacturers and suppliers, welcome to contact with our factory.type：round LED boardfinal board thickness：1.6mmfinal copper thickness：35umsolder mask colour：whitesilk screen colour：blackMin. line width/space：1.0mm/0.8mmmin diameter of finished hole：1.0mmsurface finish：HAL Lead url:http://www.ljpcb.com |
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