At Nantong Longtian Photoelectric Instrument Co.,Ltd, optics is the name of our game. For the past 15 years, Longtian Company specializes in sporting scopes, scope rings, mounts, rails, laser sights, flashlights, grips, and bipods. Nantong Longtian Photoelectric Instrument Co., Ltd. is a one of the leading innovators of optics in Asia. For many years we have maintained the highest level of quality control and unparalleled workmanship which placed our company ahead of our competition by leaps and bounds. Nantong Longtian Photoelectric Instrument Co., Ltd. is a currently serving OEM customers in the USA, Europe, and other countries around the globe. Longtian Company currently owns and operates two of the largest optics manufacturing plants in China with future expansion into Taiwan and other Southeast-Asian countries. There are currently over 100 styles of sporting scopes in our lineup along with over 200 styles of rings, mounts, and rails. Nantong Longtian Photoelectric Instrument Co., Ltd. is a currently running over 30 styles of laser sights and flashlights to finish our product line up to an impressive number of accessories such as bipod, rail systems, and vertical grips. We manufacture sporting optics from entry level to highly functional and complex optic instruments. We have currently held over 40 utility and design patents worldwide. Join us and see the difference.