| Shandong Laide Waterproof Materials Co., Ltd | 2022-07-15 | Polypropylene Cloth Waterproofing Membrane, Self Adhesive Waterproofing Membrane, Polyurethane Waterproof Coating | 8000K CNY | Non supportato |
| Shandong Wanhe Waterproof Materials Co., Ltd | 2019-07-01 | Polypropylene Cloth Waterproofing Membrane, Asphalt Waterproofing Membrane, Waterproof Auxiliary Materials And Accessories | 10000K CNY | Non supportato |
| Dongying Zhengyu Waterproof Materials Co., Ltd | 2011-03-10 | Polypropylene Cloth Waterproofing Membrane, Landscape Landscape Layout, Roof Sealing Membrane | 10980K CNY | Non supportato |
| Weifang Hongchi Waterproof Materials Co., Ltd | 2020-07-17 | Polypropylene Cloth Waterproofing Membrane, Polymer Waterproof Coating, Fire Baked Waterproofing Membrane | 10000K CNY | Supportato |
| Weifang Mingxi Waterproof Materials Co., Ltd | 2024-11-05 | Polypropylene Cloth Waterproofing Membrane, Non Curing Waterproof Coating, Tpo Waterproof | 3000K CNY | Non supportato |
| Weifang Xuanbao Waterproof Materials Co., Ltd | 2016-08-23 | Polypropylene Cloth Waterproofing Membrane, Tpo Waterproof Membrane, Sbs Modified Asphalt Waterproofing Membrane | 50500K CNY | Non supportato |
| Weifang Mercury Waterproof Materials Co., Ltd | 2015-10-28 | Polypropylene Cloth Waterproofing Membrane, Pvc Coil, Waterborne Polyurethane Waterproof Coating | 100960K CNY | Non supportato |
| Weifang Jinglong Waterproof Materials Co., Ltd | 2017-12-18 | Polypropylene Cloth Waterproofing Membrane, Polyvinyl Chloride Pvc Self-Adhesive Waterproofing Membrane, Polyethylene Polypropylene Waterproofing Membrane | 2000K CNY | Non supportato |
| Golden Umbrella Waterproof Materials Co., Ltd | 2020-04-03 | Polypropylene Cloth Waterproofing Membrane, Pvc Waterproofing Membrane, Tpo Waterproof Membrane | 60000K CNY | Non supportato |
| Weifang Luyang Waterproof Materials Co., Ltd | 2014-09-11 | Polypropylene Cloth Waterproofing Membrane, Non Curing Waterproof Coating, Self Adhesive Roll Material | 11000K CNY | Non supportato |