Changchun Realpoo Photoelectric Co.,Ltd.

Pandas Optic can offer various ruby ball lens, and we can custom made ruby ball lens as you required.…

Sapphire/Ruby bearings are sliding bearings made of hard materials such as Sapphire. Synthetic gemstones (usually sapphire) are carefully ground to create a cone-shaped cavity that can be used as a bearing for the rotating shaft of a watch head or for other precision instruments.…