| Hebei Bangzhu Building Materials Co., Ltd | 2021-05-24 | Inspection Well Module, Drainage Culvert, Concrete Water Channel | 3000K CNY | Unterstützt |
| Baoding Mengyuanwang Building Materials Co., Ltd | 2022-06-10 | Inspection Well Module, Inspection Well Block, Slope Protection Bricks | 1000K CNY | Nicht unterstützt |
| Baoding Ruida Building Materials Sales Co., Ltd | 2023-04-11 | Inspection Well Module, Curbstone, Street Lamp Foundation | 800K CNY | Unterstützt |
| Hebei Yituo Building Materials Manufacturing Co., Ltd | 2024-04-11 | Inspection Well Module, Inspection Well Block, Slope Protection Bricks | 3000K CNY | Nicht unterstützt |
| Baoding Shuangcheng Building Materials Co., Ltd | 2021-03-26 | Inspection Well Module, Septic Tank, Glass Reinforced Plastic Septic Tank | 5000K CNY | Unterstützt |
| Hebei Xiongjun Building Materials Manufacturing Co., Ltd | 2020-08-27 | Inspection Well Module, Inspection Well Block, Lawn Tiles | 10000K CNY | Nicht unterstützt |
| Baoding Shengqiyuan Building Materials Co., Ltd | 2023-03-10 | Inspection Well Module, Concrete Cover Plate, Cement Grate Ditch Cover Plate | 200K CNY | Unterstützt |
| Baoding Hongyu Building Materials Manufacturing Co., Ltd | 2022-01-12 | Inspection Well Module, Ecological Slope Protection Frame, Cover Plate | 3000K CNY | Nicht unterstützt |
| Hebei Jingchuang Shengye Building Materials Co., Ltd | 2019-10-14 | Inspection Well Module, Inspection Chamber, Reinforced Concrete Earthwork Circular Well | 10770K CNY | Nicht unterstützt |
| Dingzhou Xionghua Cement Products Co., Ltd | 2019-03-11 | Inspection Well Module, Modular Inspection Well Block, Cement Manhole Cover | 500K CNY | Nicht unterstützt |