1. professional manufacture for rotary encoder 2.good quality 3.sold well in the oversea market 4.have CE approve 1. professional manufacture for rotary encoder, founded in 2005.2.good quality 3.sold well in the oversea market4.have CE approved incremental rotary encoder,optical rotary encoder,rotary position encoderS38 SERIESShaft diameter 6mm,housing diameter 38mmELECTRICAL SPEC output ...