ShanghaiHengxiangOptical Electronics Co.,Ltd, located on Shanghai, an international city of China, set up in 2001, is a professional manufacturing high-tech corporation, providesresearch and manufacturing ,entityintegrating optical,mechanical and electronic design. Now we have finished primary pipelining of encoder manufacture. After development for many years, rotary encoders now have 10 series and over 100 sorts, both popularly sale around the world. Our rotary encoders are widely used for automation field, such as, Office equipment ,Water conservancy equipment,Electrical equipment,Textile machinery,Carpentrymachinery,Injection machinery,Vulcanizateequipment ,Medical device,CNC machine,Metallurgical machine,Printing machinery,testing machine,Elevator,Servo motor,Packing machine, etc. , and has won trust and high reputation from clients . "HengXiang" brand encoder, has ISO9001:2000 Quality Management System Certificate and CE Certification, moreover, we have own invention patents five and utility model patents five, also passed Shanghai New and High-tech AchievementsTransformation Project. Our target:Meeting Client's Requirement,Creating Social value,serving clients attentively and Achieving win-win. Sincerely welcome all customers to visit our company, to review and custom "HengXiang" brand products .