| Hebei Bangzhu Building Materials Co., Ltd | 2021-05-24 | Cement Drainage Ditch, Road Engineering Cover Plate, Prefabricated Box Culvert | 3000K CNY | Supported |
| Baoding Yuejia Mold Manufacturing Co., Ltd | 2023-03-16 | Cement Drainage Ditch, Septic Tank Steel Mold, Twisted I-Block Steel Mold | 1000K CNY | Supported |
| Zibo Qianlang Building Materials Co., Ltd | 2024-03-19 | Cement Drainage Ditch, Cement Pier, Cement Floor Slab | 100K CNY | Not Supported |
| Rongcheng Jianji Cement Products Factory, Panyu District, Guangzhou City | 2014-05-28 | Cement Drainage Ditch, Ecological Framework, Inspection Chamber | 50000K CNY | Not Supported |
| Jucheng Cement Products Factory, Liaozhong District, Shenyang City | 2017-05-11 | Cement Drainage Ditch, Cement Ecological Framework, Ecological Framework | 5000K CNY | Not Supported |
| Cangzhou Shengkai Building Materials Co., Ltd | 2025-07-07 | Cement Drainage Ditch, Resin Rainwater Grate, Cable Trench Cover | 50K CNY | Supported |
| Harbin Junchu Building Materials Co., Ltd | 2025-03-07 | Cement Drainage Ditch, Curbstone, Grass Pavers | 1000K CNY | Supported |
| Baoding Ruida Building Materials Sales Co., Ltd | 2023-04-11 | Cement Drainage Ditch, Modular Bricks, Inspect The Manhole Cover Plate | 800K CNY | Supported |
| Baoding Shuangcheng Building Materials Co., Ltd | 2021-03-26 | Cement Drainage Ditch, Integrated Septic Tank, Glass Reinforced Plastic Septic Tank | 5000K CNY | Supported |
| Zhengzhou Beiao Building Materials Co., Ltd | 2017-12-20 | Cement Drainage Ditch, Septic Tank, Concrete Drainage Ditch | 5000K CNY | Not Supported |