About RunnTech Corp. RunnTech Electronics member of VIKO Group, is a joint venture company specializes in research, development and manufacturing joysticks and controllers (Potentiometer or Hall sensors) for industrial applications. All our joysticks and controllers are mainly used in hydraulic proportional control or variable frequency motor control, such as Loaders, Cranes, Tractors, Harvesters, Excavators, Shield tunneling machine, Rotary table (drilling rig), Mine & oil hoist, Electric forklift truck, Electric wheelchair, Photography CCTV control system, Medical imaging system, Aerial Work Platform, etc. Our company is located in Yangtze River Delta, one well-developed and dynamic economic region of the east China, Changzhou city is around 180km away from Shanghai and 260km away from Hangzhou. With a view to supply our customers with satisfied products and services, we are always dedicated ourselves to improving the quality of the products and unswervingly implementing the manage