About Roundss
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... [more]
- 2023-08-302023 EMO Hannover
- 2023-06-212023 Happy Dragon Boat Festiva
- 2023-06-122023 AUTOMATION EXPO 2023-16th
- 2023-05-232023 RONGDE Russia machine too

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