1.PCB Manufacture-ROHS 2.Components Sourcing 3.one-stop turnkey PCBA service 4.competitive price layers2-12 layersmaterialCEM-1,FR4,Alu,HTG-FR-4solder maskGreen, White, Black ,Redcopper1-3ozboard thickness0.5 -3 mmfinishinglead free HAL, Immerssion Goldmin trace0.1mmmin space0.1mmcertificateUL, ISO, RoHS, TS 16949