rotary switch 1. certifications: CQC,TUV 2. manufacturing experience:15 years 3. ... , LG, Midea, bittel, Joyoung, SUPOR, ZTE Corporation, Bubukao Company. rotary switch: Outside diameter29mm, 32.5mmShifting angle45°,36°Functionwith replacement , without replacementCertificatesTUV ...