... . IPC-A-160 standard 3. Reply Email in 4 hours 4. SGS,RoHS,UL Network Refrigerator control systemCircuit board assembly fabrication:One-stop ... pcb assemblies service.1Layer1-12 layer2MaterialFR-1,FR-2,FR-4,CEM-1,CEM-3,Hight TG,FR4 Halogen Free,3Board ... .0514CertificateUL,ISO9001,ISO14001,ISO/TS16949,ROHS15profiling punchingRouting,V-CUT,Beveling Network Refrigerator control system