Having produced over 100 kinds of varied wipers and over 500 sorts of distinct sensor elements,and with at least 7 year's rich experiences, ISO9001 certification,10 million RMB registered capital, Shanghai Volboff Electron Science and Technology Co design and manufacture high performance & low-priced linear/rotary position sensor, conductive plastic potentiometer, electronic ruler,electronic accelerator (pedal), throttle position sensor, wiper, etc. Which are widely used in auto , engineering, plastics, medical, pneumatic, hydraulic and controlling industry. We need only 5 minutes to sculp 6000mm linear position sensor element,and 1 minute only for the 200mm rotary position sensor .