| Anping County Angu Metal Wire Mesh Products Co., Ltd | 2014-08-15 | Road Soundproof Wall, National Highway Soundproofing And Noise Reduction Screen, Sound Barrier | 12000K CNY | Not Supported |
| Hebei Quntuo Metal Mesh Industry Co., Ltd | 2023-03-20 | Road Soundproof Wall, Road Reinforcement Mesh, Circular Protective Net | 31680K CNY | Not Supported |
| Shenzhou Zhentai Metal Products Co., Ltd | 2013-10-22 | Road Soundproof Wall, Forged Steel Guardrail, Passive Slope Protection Net | 11000K CNY | Not Supported |
| Shanghai Cengong Metal Wire Mesh Products Co., Ltd | 2016-03-01 | Road Soundproof Wall, Stainless Steel Fence, Prefabricated Enclosure | 2000K CNY | Supported |
| Baoding Panyi Transportation Engineering Co., Ltd | 2025-05-27 | Road Soundproof Wall, Sound Absorbing And Soundproof Barrier, Noise Reduction And Sound-Absorbing Panel | 5000K CNY | Not Supported |
| Hefei Xingbairui New Material Technology Co., Ltd | 2023-12-14 | Road Soundproof Wall, Louver Fence, Stainless Steel Composite Pipe Guardrail | 500K CNY | Supported |
| Sichuan Sanyuan Environmental Governance Co., Ltd | 2006-09-21 | Road Soundproof Wall, Generator Set, Noise Reduction | 39930K CNY | Not Supported |
| Sichuan Haiya Metal Wire Mesh Manufacturing Co., Ltd | 2013-12-17 | Road Soundproof Wall, Zinc Steel Guardrail, Border Fence Net | 5000K CNY | Supported |
| Anping County Sanju Wire Mesh Products Co., Ltd | 2016-10-17 | Road Soundproof Wall, Municipal Guardrail, Anti-Glare Mesh | 2000K CNY | Supported |
| Anping County Mutual Benefit Hardware Mesh Products Co., Ltd | 2009-03-27 | Road Soundproof Wall, Expanded Metal, Industrial And Mining Anchor Net | 10500K CNY | Supported |