Our History Handan Donghong FRP And Color Steel Manufacturing Co., Ltd., was established in the middle of 90鈥檚 of last century, The company鈥檚 head office is located in handan city China. Donghong people hold:鈥?Honest, win-win鈥?principles, has gained high reputation from the construction market. Our Factory Through over 20 years鈥?nbsp;development, donghong has three factories for different product manufacturing. 14 production lines, the annual value five hundred million. Our Product FRP sheet, polycarbonate sheet, sandwich panel. Product Application Steel building constrution, daylighting. Our Certificate ISO9001-2015 Production Equipment 14 productions line Production Market Mexico, Indonesia, Tailand, Germany, Inida. Our Service Free teachnical support10 Years Warranty Polycarbonate Hollow Sheet sizes website:http://www.cndhfrp.com/