[ Guangzhou Hedong electronic Co., Ltd (HDL) will move to its new headquarters to Panyu in Guangzhou, date of relocation will be around May 2008, encompassing 22,000 square meters of production, metal work, and office space and world class multi intelligent showroom. Our old factory will continue to run until end Q2 of 2008 ] [Guangzhou Hedong Electronic Co., Ltd (HDL) and Tsinghua University have signed the contract on the cooperation of research and application in the field of architectural lighting control system!] [click here for more information on HDL and Tsinghua University's cooperation]