| Hebei Bangzhu Building Materials Co., Ltd | 2021-05-24 | Inspection Well Module, Finished Rainwater Well, Prefabricated Power Cover Plate | 3000K CNY | Supportato |
| Baoding Mengyuanwang Building Materials Co., Ltd | 2022-06-10 | Inspection Well Module, Inspect The Manhole Cover Plate, Ecological Slope Protection Frame | 1000K CNY | Non supportato |
| Baoding Ruida Building Materials Sales Co., Ltd | 2023-04-11 | Inspection Well Module, Curb, Curbstone | 800K CNY | Supportato |
| Hebei Yituo Building Materials Manufacturing Co., Ltd | 2024-04-11 | Inspection Well Module, Lawn Tiles, Slope Protection Frame | 3000K CNY | Non supportato |
| Baoding Shuangcheng Building Materials Co., Ltd | 2021-03-26 | Inspection Well Module, Glass Reinforced Plastic Septic Tank | 5000K CNY | Supportato |
| Hebei Xiongjun Building Materials Manufacturing Co., Ltd | 2020-08-27 | Inspection Well Module, Curbstone, Slope Protection Frame | 10000K CNY | Non supportato |
| Baoding Shengqiyuan Building Materials Co., Ltd | 2023-03-10 | Inspection Well Module, Cable Protection Cover Plate, Cement Grate Ditch Cover Plate | 200K CNY | Supportato |
| Baoding Hongyu Building Materials Manufacturing Co., Ltd | 2022-01-12 | Inspection Well Module, Rainwater Box Culvert, Electric Power Duct | 3000K CNY | Non supportato |
| Hebei Jingchuang Shengye Building Materials Co., Ltd | 2019-10-14 | Inspection Well Module, Chain Slope Protection Bricks, Arc Shaped Inspection Well Module Brick | 10770K CNY | Non supportato |
| Dingzhou Xionghua Cement Products Co., Ltd | 2019-03-11 | Inspection Well Module, Square Manhole Cover, Concrete Manhole Cover | 500K CNY | Non supportato |