Established in 1985, Dong In Optical Co. Ltd. has been
an unique manufacturer and supplier
of various Red Dot Sights for
both of Military and Law Enforcements.

Dong In Optical Co. Ltd. possess several relative patents
as an industrial firm and enjoy active exporting
to all over the world.

As an intensive manufacturer, Dong In Optical Co. Ltd.
spare no effort for research and to develop new and
up-to date products continually to meet
the demanding requirement.

To meet these demands for the present Military and
Law Enforcements, we will listen to our customers and
continually improve our products to meet their needs
and requirements.

Dong In Optical Co. Ltd. is an ISO 9001:2000
accredited manufacturer and supplier of
sighting instruments.