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 ...   |