GreatWall LEDLight Co., Ltd is a HongKong company, factory located in HuiZhou, GWL has been specialized in LED researching, developing and manufacturing since 2011. We manufacturing top quality LED tube, LED troffer light, LED panel light, LED linear light, LED high bay light, LED shoebox etc, with ISO9001:2008 Quality Management System, UL, cUL, DLC,CE, RoHS certifications. We have over 300-350 employees, 15000 square meters factory, dusty-free workshop, with excellent quality and the best after-sales service, we make all customers satisfied, we are full of expectations, welcome to our factory and make cooperation with us.