Shenzhen Yilong optical Industrial LTD wasfounded in 2015,is a high-tech enterprise, specialized in R&D,OEM manufacture and sales of optical area, which are widely applyto fiber optic communication,watch,electron Microwave,semiconductor, medical industry, optical and opto-electronicsighting telescope, semiconductor laser ranging telescope anddigital telescope. Shenzhen Yilong optical Industrial LTD Inc mainproducts include as belows:1.Manufactured in Xiao Factory (Near from Wuhan):Fiber opticconnector, Fiber optic patchcord ,Fiber optic adapter ,Fiber opticprecision metal components .2.Manufactured in (Near from Wuhan): Telescope, Red dot series,Side-parallax adjustment, Adjustable objectiveriflescope, Fixed-powerriflescope, Shortriflescope.