PCB Assembly, Electronic Design and PIC Programming from GN Systems GN Systems are an electronic manufacturer specialising in PCB assembly, PCB design and PIC programming and are suppliers of surface mount and conventional components. GN Systems was established in 1983 and has expanded to become a multi-skilled, modern electronic manufacturer and design company. Our PCB assembly manufacture department maintains a very high standard of through hole assembly. All electronic PCB design components are placed under anti-static conditions to maintain component integrity, which makes us the only place to go for surface mount and conventional components. Our PIC programming and surface mount technology makes us the leaders in the North West.