The Hailang Ke Electronic Technology Co., Ltd. is a professional R & D, production equipment, well-known intelligent security monitoring business. Collection of a number of long-term monitoring burglar alarm products in television, senior technical personnel and entrepreneurs interested in developing a team composed of experienced engineers. Since its establishment, has been the first professional development, production, development of today's fusion of R & D, production, sales and services, system integration as one of the one-stop service system. 
 Langke brand of large, medium and small-scale matrix main engine control system, control the keyboard, control code processor, the alarm control equipment and audio and video distributor, anti-jamming device, OSD, toll roads and a variety of video overlay device 70, etc. The innovative research and development, not only continue to improve the company's integration capabilities, but also provides users with a complete complex system equipment modeling program, users can not only Langke Langke variety of products in 70 different models to complete your selection program configuration, but also enjoy doing almost perfect Langke sale, sale and after-sales service, two years free warranty that your use of Langke device without any worries. 
 Adhere to the "interests of all from the user" service ideas, the principle of "good faith with you" work purposes, we Langke people committed to provide customers the best quality products and services.