Changchun Rongde Optics Co., Ltd is located in the modern city-Changchun which known as "the optoelectronics industry base of China ". It is a high-technology enterprise concerned with R & D, manufacture and sales of Industrial encoders and high-precision couplings. In 2008, Rongde optics became the only encoder incubating member of the national project "Jilin photonics industry incubator".The company mainly produces encoders, couplings and draw wire displacement sensors. There are six series of encoders: RD absolute type, E economical type, R industrial general type, D Precision reinforced type, H high-precision reinforced type, RDD magneto-electronic type. There are eight types of couplings, including jaw type clamp couplings, spring couplings and so on. Now the company has over 150 employees, including 50 technicians. Cooperated with Changchun Institute of Optics and Fine Mechanics, Chinese Academy of Science and Changchun University of science and technology, professional research institutes were built. In response to market demand, Rongde Optics introduced advanced assembly technology abroad and launched a large number of new products each year. In 2010, the company obtained several technical patents in product technique innovation. Rongde Optics became the most powerful supplier of industrial encoder and coupling in china by the perfect design, superb technology and sound after-sales service. Meanwhile, it is also one of domestic manufactures which produce encoders and couplings with the most complete types and the widest application. Our products have passed the ISO9001: 2000 quality management system, and got CE and ROHS approval. The products have been exported to industry developed countries and regions in Asian, such as USA,Canada,Sweden,Russa,Brazil,Pakistan,Turkey, Australia,Argentina, Poland,Mexico,Egypt,Germany,Japan, South Korea, Singapore, Malaysia, and Taiwan. They are widely used in industrial automation control of motors, elevators, machine tools, glass, ceramics, food machinery, aerospace, industrial lines. Our products and services have been approved and praised by the major domestic machine tool manufacturers and universals at home and abroad, for instance, the Chinese Academy of Sciences and Harbin Institute of Technology.Company uphold: Rongde Optics is the encoder and couplings expert around you. In order to provide more vertical and effective service, we assembled a sales team with hundreds of elites and started to establish branches and representative offices in Shanghai, Guangzhou, Beijing, and Xi'an in succession. With the construction and upgrade of the e-commerce system, we will gradually implement the on-line service and eventually realize all-dimensional informationized service such as online order, online inquiries and on-line technical services. Rongde staff will help you find the best solutions to encoder and coupling with positive and optimistic attitude and first-class service.Company Tenet: "Prosperity by Morality, Reputation by Credit!"The company is willing to make sincere cooperation with friends of all circles at home and abroad to create a bright and beautiful future!