... 100PCS 3.Free sample before production 4.One-stop-service printed flexible circuits 1.ISO9001:2000, UL, RoHS 2.NO MOQ ... , building prototype quantities, and testing.We supply all kinds of flex PCB Specifications: 1) Min. Trace width: 0.004" 2) Min ... an expert FPC, PCB & PCBA manufacturing company based in China. With ten years of development, from a small scale printed circuit board company ...