... District, Guangzhou,Guangdong Organized by:Guangzhou Grandeur Exhibition Services Co., Ltd Occupying an area of 15000 square meters, Rooftile China ... , tile presses and other products. Zhejiang Heda Solar Technology Co., Ltd. stood itself out with its innovative PV tiles which ... 4.All kinds of fittings The 4th China Rooftile & Technology Exhibition 2014 brings together hotel & resort investors, Real ...