Yeonhab Precision was the first in Korea to apply its YH-connector manufacturing technology to the production of electric and electronic equipment for national defense and other industries, and its products are now exported to the United States, Japan and Europe. It has been supplying intercom devices, control devices, PCB assemblies and other latest-technology defense equipment as well as cable assemblies to the Land Army, the Navy and the Air Force of South Korea for 42 years. It is also the leader of the military cable harness market, producing world-class harness parts based on its ability to design core parts.

Qualified Product List
QPL certification is a system in which the US government guarantees the quality only for products that have passed strict local company inspections made of 150 tests and verifications under the supervision of the US government.

Optical Fiber Connectors
This is a connector for long-distance transmission of optical signals and power signals.

Slip Ring
This is a core part which enables the incesssant signal transmission even when the componets of weapons sysstem such as radar, tank, turret of self-propelled artillery, helicopter rotor and remotely controlled armed RCWS and optical search device (for example: turret and body) make 360 degree rotation without stop.