AirTOP has various types of directional valves for 5/2,3/2,5/3 way. Most key parts of AirTOP directional valves are manufactured by ourselves, valve body and head are machined by CNC, armature and spool are finished by machines imported from Japan, important seals are from Parker. We check every part and test every valve when assembled, to ensure AirTOP valves with high quality and stable performance.