Established in 1985 and headquartered in Guangzhou, China. HDL is a global company that manufactures customised home & building automation products and professional stage lighting equipment. Having a truly worldwide presence, HDL offices can be found in over 120 countries. HDL knows that environmental protection is crucial, we strive to provide innovative products with the latest efficient energy solutions that improve the comfort and convenience in living spaces, via our extensive network of distributors and installers. Please, find more about us in www.hdl-tr.com