... resistance (5)free of Asbestos Fiber Yichang Hongyang New Materials Co., Ltd., which belongs to Yichang Hongyang Group, was established in 2009, ... located on the bank of Yangtze River, 20km away from Yichang Port. ... humidity (better resistance than wood).(7) Problem-free: Hongyang board provides good insulation against mold, fungus and corrosion. ...