| Dongying Zhengyu Waterproof Materials Co., Ltd | 2011-03-10 | Toilet Waterproofing Membrane, Biaxial Geogrid , Aluminum Foil Butyl Tape | 10980K CNY | Not Supported |
| Shouguang Guanchen Building Materials Co., Ltd | 2016-10-19 | Toilet Waterproofing Membrane, New High-End Waterproof Material, Water Based Alkyd Resin Enamel Paint | 100K CNY | Not Supported |
| Shandong Dongfang Jiuding Waterproof Materials Co., Ltd | 2018-05-15 | Toilet Waterproofing Membrane, Self Adhesive Waterproofing Membrane, Thermoplastic Polyolefin Tpo Coil | 5000K CNY | Not Supported |
| Shandong Yifeng Waterproof Materials Co., Ltd | 2020-12-23 | Toilet Waterproofing Membrane, Acrylic Waterproof Coating, Thermoplastic Polyolefin Tpo Waterproofing Membrane | 6000K CNY | Not Supported |
| Shandong Daqian Waterproof Materials Co., Ltd | 2017-06-28 | Toilet Waterproofing Membrane, Tpo Fusion Tile, Sbs Waterproofing Membrane | 12000K CNY | Supported |
| Shandong Tianchi Waterproof Materials Co., Ltd | 2020-12-23 | Toilet Waterproofing Membrane, Thermoplastic Polyolefin Tpo Waterproofing Membrane, | 10000K CNY | Not Supported |
| Shandong Honggu Waterproof Materials Co., Ltd | 2020-12-31 | Toilet Waterproofing Membrane, App Waterproofing Membrane, Fire Baked Waterproofing Membrane | 10000K CNY | Supported |
| Shandong Weidong New Materials Co., Ltd | 2024-05-10 | Toilet Waterproofing Membrane, Tpo Waterproof Membrane, Wooden Breathing Paper | 3100K CNY | Not Supported |
| Shandong Yaorong Waterproof Technology Co., Ltd | 2019-05-20 | Toilet Waterproofing Membrane, Self Adhesive Waterproofing Membrane, Non Asphalt Based Polymer Self-Adhesive Membrane Waterproofing Roll | 3000K CNY | Not Supported |
| Shandong Laide Waterproof Materials Co., Ltd | 2022-07-15 | Toilet Waterproofing Membrane, Chlorinated Polyethylene Cpe Waterproofing Membrane, Polyurethane Waterproof Coating | 8000K CNY | Not Supported |