2021-07-21
As a Mounting Flange Manufacturer, share with you. A mounting flange is a metal threaded ring with several holes on the perimeter which are used to secure the flange to a lens board. It is permanently attached to the front of a lens board with screws. Flanges are frequently missing from their lenses. Read More
No.9 Beiyuan Street, Licheng District, Jinan City, Shandong Province, China 250100
+86-15169117268