... in 4 hours 4. SGS,RoHS,UL Network Refrigerator control systemCircuit board assembly fabrication:One-stop pcb assemblies service, We can offer ... sample pcb board or PCBA.Multi-layer PCB Specificationproviding you one-stop pcb assemblies service.1Layer1-12 layer2MaterialFR-1,FR-2 ... ,ISO9001,ISO14001,ISO/TS16949,ROHS15profiling punchingRouting,V-CUT,Beveling Network Refrigerator control system