Yunnan Yuanjin Optical Co., Ltd. Long-termly supplies military binoculars for troops. Although in the production process of military binoculars, all products pass the test of high temperature 55℃, low temperature of -40℃, waterproof 30 minutes 1 meters depth, 1.82 meters high drop and vibration and can fully guarantee the troops in the field of training and the normal use of combat. 

Force Use Detection

The company also checks the actual use effect of force, the military binoculars under harsh environment, in the field during the day and night, hot weather, cold weather, and improve the product according to the use of force. The company also has test of waterproof and usage effect outdoors. As for night vision telescopes and thermal imagers, the company works with customers and detects actual effect in the dark environment at night together.