| Hebei Jingchuang Fiberglass Co., Ltd | 2018-08-02 | Highway Soundproof Board, Frp Pipe Fittings, Fiberglass Column | 3100K CNY | รองรับ |
| Anping County Aowo Metal Wire Mesh Products Co., Ltd | 2017-07-19 | Highway Soundproof Board, Municipal Road Sound Barrier, Noise Reduction | 5000K CNY | รองรับ |
| Hebei Shangxing Road and Bridge Engineering Co., Ltd | 2012-12-18 | Highway Soundproof Board, Elevated Bridge Noise Barrier, Factory Road Soundproof Screen | 100090K CNY | รองรับ |
| Anping Peirun Wire Mesh Products Co., Ltd | 2023-11-13 | Highway Soundproof Board, , Isolation Fence | 3000K CNY | ไม่รองรับ |
| Shanghai Qiange Metal Products Co., Ltd | 2016-11-28 | Highway Soundproof Board, Prefabricated Engineering Fence, Excavation Guardrail Net | 3000K CNY | ไม่รองรับ |
| Anping County Sanju Wire Mesh Products Co., Ltd | 2016-10-17 | Highway Soundproof Board, Anti-Glare Mesh, Non Mechanical Guardrail | 2000K CNY | รองรับ |
| Hebei Shu'an Environmental Protection Equipment Co., Ltd | 2015-03-04 | Highway Soundproof Board, Silencer, Sound-Absorbing Sheet | 10000K CNY | ไม่รองรับ |
| Anping Zhengjun Metal Wire Mesh Products Co., Ltd | 2024-05-13 | Highway Soundproof Board, Airport Fence , Bilateral Wire Fence | 1000K CNY | ไม่รองรับ |
| Anping Muyuan Wire Mesh Manufacturing Co., Ltd | 2012-11-12 | Highway Soundproof Board, Municipal Guardrail, Slope Protection Net | 40080K CNY | รองรับ |
| Guangxi Nanning Lares Metal Products Co., Ltd | 2018-05-14 | Highway Soundproof Board, Corrugated Guardrail, Zinc Steel Guardrail | 500K CNY | รองรับ |