Huaerkang PCB circuit board, the original manufacturer produces aluminum substrate, copper substrate, copper-aluminum composite board and glass fiber board. The main processes are single panel, double panel, thermoelectric separation board, single-sided double-layered board, double-sided four-layered board and metal sealant board. The products meet ROHS SGS standards and have obtained UL,CUL and IATF16949 automobile quality systems, with guaranteed quality and high cost performance.