Beijing Lvgang Yongwei Co., Ltd, established in 2008, when the 29th Olympic held in Beijing. Our factory located in Chongqing province, and office is located in Peking, the capital of China.We are professional in manufacturing Binoculars, monocular, night vision, google lens, and cooperated several good factory to manufacture compass, rangefinder, microscope. The principle what we obey is to provide environmentally friendly products which can totally satisfy with customers' requirements. R&D department, Q/C team, professional marketing department, packaging team, and exclusive manufacture flows, are allowed to make sure the excellent quality popular with customers who come from all over the world. The headquarter is located in Chongqing City, 3000+ acres of manufactures can be showed once you arrived at our factory, about 200 employees worked there. The majority of products have our own patent, so that we can protect your interests, if you are the best seller in your market, then we won't allow to sell the same item in your country, it can make sure you are the NO.1 seller, no need to worry about the competitor in the same market. Free sample, OEM&ODM service, quality inspection before shipment, fast delivery for bulk order. Welcome to contact with us no matter what you need, we'd like to here always for you, and help you with sincerely. Beijing Lvgang Yongwei Co., Ltd, your best choice and reliable partner, looking forward to cooperating with you!