Changchun Rongde Optics Co.,Ltd.

About Roundss
  • Changchun Rongde Optics
  • Co.,Ltd.
  • Add:No.1666 Yaan Road,
  • North Lake Development District,
  • Changchun 130102,China
  • Tel:86-0431-81856009
  • Fax:86-0431-85256892
  • Skype:adacui_roundss


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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.

Production Capacity
ROUNDSS With independent intellectual property rights has more than 150 employees,including 30 engineers. In 2013, the annual encoder output was 200k pcs. In 2014, ROUNDSS introduced advanced automation assembling lines technology, which is a pioneer in China encoder industry. And the annual output is expected to reach 500k pcs.

ROUNDSS is mainly specialized in rotary encoders, flexible couplings and draw wire displacement sensors, including absolute encoders, incremental encoders, servo motor encoders, magnetic ring encoders, elevator encoders, textile encoders, and other encoders applied to industrial automation applications. Roundss supply the same quality as international famous brands.