SNT custom circuit products include rigid FR-4 PCBs, PET silver-paste printed circuits, and high-flex polyimide FPCs for electrical connections in control and HMI assemblies. The range supports impedance control and SMT for reliable interconnection. PET circuits can be paired with membrane switches, FPCs suit flexible routing, and PCBs provide rigid circuit support. Engineering services cover feasibility, material selection, design changes, component development, and cost-reduction options.