ROUNDSS is one of the leading producers of rotary encoders and other related products applied in industrial automation. Founded in 2006, the company with headquarter in Changchun,the optical industry base of China. With 5 subsidiaries in Guangzhou, Wuxi, Shanghai, Beijing, and Xi'an as well as more than 30 representative offices around China, and multiple distributors abroad, like Russia, Germany, India, USA, ROUNDSS maintains a presence all around the world. Fanuc, Bosch Rexroth, Siemens are all our long term Cooperation partner.