Summit is a professional design and produce solenoid valve company. In general, our products can be categorized into 4 groups. They are solenoid, solenoid valve, coil and CNC product. Solenoid can be further classified in to flapper solenoid, frame solenoid (linear solenoid), tubular solenoid (cylinder solenoid) and electromagnet. Solenoid valves are defined by the medium go through it such as air, water, ink and gas etc.