Yellow River Materials Co., Ltd. Weifang City waterproof polyester tire, SBS modified bitumen membrane, polyethylene fiber waterproofing membrane, polyethylene polyester waterproofing membrane, PVC PVC waterproofing membrane, dry powder, asphalt shingles, three ethylene-propylene rubber, polyurethane waterproof coating, etc. professional production and processing of a limited liability company, headquartered in Jiangsu, Zhejiang, Inner Mongolia, Heilongjiang, Shandong and other national multi-unit area, Weifang City Yellow waterproof material Co., Ltd. has a complete and scientific quality management system. Integrity, strength and quality of the Yellow River in Weifang City waterproof material Limited, recognized by the industry