... 3.Free sample before production 4.One-stop-service printed flexible circuits 1.ISO9001:2000, UL, RoHS 2.NO ... -stop-serviceprinted flexible circuitsWe are a Manufacturer & Supplier Specializing in Double Side PCB, Multi-Layer PCB, F4BK PCB, Ceramic PCB, Rogers PCB, Aluminum PCB. Meanwhile, ... prototype quantities, and testing.We supply all kinds of flex PCB Specifications: 1) Min. Trace width: 0.004" 2) ...