Weifang Hongyuan Waterproof Materials Co., Ltd. is one of the most powerful enterprises of waterproof materials with collecting scientific researching and developing, producing and selling, designing and construction as one body. Our company introduces into full sets advanced equipment with abundant technology power. Our company can produce all kinds of waterproof materials. The annual output of SBS/APP modified bitumen waterproof membrane is fifteen million square meters, three million ...   |