We are Located in Shenzhen, the most flourishing region of China,Zhangjiajie Youniao Optical Instrument Co.,Ltd is a leading and excellent enterprise engaged in the business of optoelectronic product and specialized in precise optical product and part research, development, manufacture and sale.Founded in 1998, our company with own brand DISCOVERY OPTICS, which very famous in the world. And plays a very key role in the development of economy in the Shenzhen City.Our factory covers an area 20000 square meters. With more than 300 employees, including 60 technicians. We provide a variety of optical products.Our company offers one-stop services from product design, volume production and sales to technology support.With great popularity and high quality, our products have been well received by our customers from many countries and regions, being the best sellers not only in Hong Kong and Taiwan Area, but also in Europe, America and Asia Pacific Region.As an ISO9000 quality management system certified company, quality guarantee, we have continuously been one of the biggest optical device and part supplier in China with strong design & development capability, advanced management & quality control strictly abilities .We mainly manufacture Riflescope, Red Dot Scopes, Laser Sights, Range Finder, Binoculars, Spotting scope, Rail Systems, Flashlights, Mounts, as well as other related components.We have more than 50 models with own patent number. Excellent quality, attractive designs,prompt delivery and reasonable prices are our promises to the clients. Our company cordially hopes to establish permanent, steady and cooperative partnership with you to create a bright future.Everything really starts with our Vision, which is:"To be the best-run business in China, and the most successful, most respected business in our industry, for the benefit of our Customers."This is a pretty bold Vision, but it's absolutely real.