Encoder, Potentiometer, Switch manufacturer / supplier in China, offering Ec11 Rotary Encoder 15/20mm Metal Shaft with Switch Digital Potentiometer, Ec11e15244G1 Model 11mm Metal Shaft Ec11e Series Plug-in Rotary Encoder Single Shaft Knurled Switch Electronic Component, 11mm Soundwell Reset Switch Encoder RS11 Metal Shaft Rotary Self-Reset Switch and so on.