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Specific products：Astronomical telescopes, microscopes, binoculars, night vision devices, laser rangefinders, sight glasses, sight glasses, time and weather forecasters.

Specific products：Vehicle mounted lens, monitoring lens, digital camera lens, digital camera lens assembly, microscope lens, projector lens, astronomical telescope lens, UAV lens

Specific products：Automatic driving visual perception system, 360 look around system, intelligent rear-view mirror, night vision system, intelligent cabin system, HUD system, automatic parking system, ADAS intelligent auxiliary system