For optaical rotary encoder, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our optaical rotary encoder has been well received by many customers and enjoyed a good reputation in many countries. CHINA YUMO ELECTRIC CO.,LTDoptaical rotary encoder have characteristic design & practical performance & competitive price, for more information on the optaical rotary encoder, please feel free to contact us.