Yiwu Tianying Optical Instrument Co., Limited. is a subsidiary selling company. It is located in the world famous Commodity City - Yiwu China. Our factory specialize in night vision ,thermal imaging, digital hi-definition day and night camera, through wall vision system, laser rangefinder,binocular and rifle scope products developing and producing. The series of products are primarily used for night surveillance,patrolling and guarding,rescue and search missions, hunting and animal watching,police/law enforcements,night photo and video shooting, navigational safety of ships in night.Our company has strong production capability and many professional researcher. Our company controls products quality strictly. And it has passed through ISO9001 Quality Certificate.The series of night vision items already have CE Quality Certificate. And most products export to Euramerican countries and areas. We enthusiastically welcome customers both at home and abroad to visit our company and your advisory are requested.