- CIMT 2019 2019-04-22
- CIMT 2019 Intelligent Manufacturing Targeting the world 2019-04-15
- Qing Ming Festival Notice 2019-04-03
- IMTEX 2018 2019-02-12
- Spring Festival holiday notice 2019-01-18
- 2019 Changchun Rongde Optical Co., Ltd. New Year Party 2019-01-16
- New Year's Day holiday notice 2018-12-28
- ROUNDSS take part in the JIOMTOF exhibition in TOKYO 2018-11-06
- JIMTOF 2018 in Tokyo 2018-10-30
- ROUNDSS join the IMTS exhibition in America 2018-10-29
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