| Guangdong Xinsheng Jianji Environmental Protection Building Materials Co., Ltd | 2024-03-12 | Inspection Chamber, Cement Cover Plate, Cement Pipe | 5000K CNY | Not Supported |
| Huizhou Dongxin Jianji Cement Products Co., Ltd | 2020-06-29 | Inspection Chamber, Electric Power Cover Plate, Well Seat, Base, Outer Well Frame | 5000K CNY | Supported |
| Shuncheng Cement Parts Factory, Nansha District, Guangzhou City | 2012-11-22 | Inspection Chamber, Foam Insulating Brick, Four Legged And Five Legged Insulation Brick | - | Supported |
| Guangdong Dingguan Building Materials Co., Ltd | 2020-07-22 | Inspection Chamber, Cement Pipe, Side Stone | 5000K CNY | Not Supported |
| Rongcheng Jianji Cement Products Factory, Panyu District, Guangzhou City | 2014-05-28 | Inspection Chamber, Ecological Framework, Drainage Ditch | 50000K CNY | Not Supported |
| Guangzhou Lianji Environmental Protection Building Materials Co., Ltd | 2021-10-28 | Inspection Chamber, Guardrail, Cement Cover Plate | 300K CNY | Not Supported |
| Chebei Jianji Commercial Bank, Tianhe District, Guangzhou City | 2020-04-29 | Inspection Chamber, Twist King Block, Ditch Trough | - | Supported |
| Dongguan Dalingshan Zhixing Cement Preprocessing Factory | 2009-07-14 | Inspection Chamber, Prefabricated Communication Inspection Well, | - | Not Supported |
| Lixin Cement Component Factory, Shunde District, Foshan City | 2021-04-07 | Inspection Chamber, Cement Board, Cement Pipe | - | Not Supported |
| Guangzhou Lianji Cement Products Co., Ltd | 2017-12-28 | Inspection Chamber, Concrete Inspection Well Seat, Concrete Cover Plate | 10000K CNY | Supported |