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Registered Add Changchun, Jilin
Type of business Manufactuer
Main Market North America, Europe, South Asia
Established in 2006


Changchun Rongde Optics Co., Ltd.(ROUNDSS) is a national high-tech enterprise and little giant science and technology enterprise concerned with R&D, manufacture and sales of industrial encoders and high precision couplings. Founded in 2006, ROUNDSS with registered capital 21.92 million RMB is the only company achieved automatic assembly of encoders in domestic. It is also the main participant in formulating national industry standards.


ROUNDSS optical encoders are widely used in industrial automation, like intelligent manufacturing, robot, CNC machine tools, new energy vehicles, elevators, wind power, aerospace, military industry and servo control. It is the key component of equipment manufacturing industry in industrial upgrading. Among the high precision encoders, the incremental micro solid shaft encoder, through hollow shaft encoder, servo motor encoder, magnetic ring encoder, gear tooth encoder, absolute single-turn encoder and multi-turn encoder could replace the similar foreign products in defense equipment. At the same time, customized design and services are supplied to meet special requirements of different customers.


With independent R&D institutions, professional R&D team and senior technical advisors, ROUNDSS has more than thirty independent intellectual property rights. Automatic assembly production line fills the blank of encoder industry market in domestic. The bearingless centering type encoder won the excellence award in the 5th CHINA Innovation Entrepreneurship Competition. Company executives ISO9001:2015 quality management system standards, fully carries out ERP enterprise resource management, gets the CE and ROHS certification, and reaches consensus on cooperation with several universities and research institutions.


Customer requirement, innovative technology as well as missionary focus, which has been built up over years, all form the basis of ROUNDSS brand and first class products and make ROUNDSS in the front rank of encoder industry. ROUNDSS factory with 11000 square meters has advanced high precision production equipment and the ultra-clean work space. Strict high and low temperature testing, speed and anti-interference testing ensure the stability and reliability of product.


ROUNDSS has more than 130 employees, and branch offices and agents in Beijing, Guangzhou, Shanghai, and Xi 'an. The sales network covers the whole China. The long-term partners include Huazhong CNC, Baoji machine tool, Yunnan CY group and other domestic excellent enterprise. In addition, the products are exported to more than 50 countries and regions of the world. The independent business platform and R&D center were established in Hamburg, Germany. ROUNDSS has worked with the international well-known system manufacturers such as America HAAS, Beijing FANUC and Bosch ,etc. 


ROUNDSS will continue to forge ahead to provide quality products and excellent service for domestic and foreign clients and be worthy of your choice!

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