Welcome to YOUYANG!Thank you for your time to visit our website.We, YOUYANG, have focused on developing and manufacturing of quality and the best products in order to meet with ICAO, IEC, FAA andall international starndards.We are keeping invest in high technology with environmental familiarresearch to response to customer's easy usag & maintenance and improve existing products so that we can provide best solution for any airfield lighting system required.Also, we can provide more convenient total solution of lighting system for air to air and air to ground control & monitoring system by advancedsurface movement guidance control system with any interface availabity.We hope your contact us and make chance to use our system providedand you shall be happy with youyang.I want to your healthy life with your good family and enjoy with youyang.sincerely yours,Dae-Young,Lim