| Chifangze Metal Products Factory (Individual Business), Shunde District, Foshan City | 2023-11-07 | Acoustic Tube, C-Shaped Steel, Steel Sheet Pile | - | Supported |
| Foshan Yuding Iron and Steel Co., Ltd | 2019-04-19 | Acoustic Tube, Steel-Plastic Composite Pipe, Seamless Tube | 6000K CNY | Supported |
| Yijia Yi Metal Business Department (Individual Industrial and Commercial Household), Shunde District, Foshan City | 2025-08-29 | Acoustic Tube, Anti Corrosion Spiral Steel Pipe, Six Meter Galvanized Square Tube | - | Supported |
| Foshan Xinkaili Trading Co., Ltd | 2022-10-08 | Acoustic Tube, Steel Structure, Embedded Parts | 2000K CNY | Supported |
| Foshan Jiuli Iron and Steel Co., Ltd | 2021-04-29 | Acoustic Tube, Galvanized Channel Steel, Seamless Tube | 2000K CNY | Not Supported |
| Foshan Guanyue Iron and Steel Co., Ltd | 2021-02-24 | Acoustic Tube, Galvanized Square Tube, Pipe Fitting | 3000K CNY | Supported |
| Guangdong Shenke Building Materials Co., Ltd | 2021-01-20 | Acoustic Tube, Prestressed Pipe Pile, Grouting Pipe | 5000K CNY | Supported |
| Foshan Shengyi Iron and Steel Co., Ltd | 2025-05-06 | Acoustic Tube, Galvanized Channel Steel, C-Shaped Steel | 5000K CNY | Supported |
| Pangliang Pipe Industry Co., Ltd., Nanhai District, Foshan City | 2017-11-06 | Acoustic Tube, Pile Tip, Grouting Pipe | 12000K CNY | Not Supported |
| Foshan Shunhongchuang Steel Co., Ltd | 2023-07-06 | Acoustic Tube, Embedded Parts, Welded Pipe | 1000K CNY | Supported |