| Guangzhou Naiboshi Building Materials Co., Ltd | 2023-10-17 | Fireproof Coating Steel Structures, Road And Bridge Waterproofing, Anti Radiation Insulation | 1000K CNY | ไม่รองรับ |
| Langfang Xukun Fireproof Materials Co., Ltd | 2024-11-19 | Fireproof Coating Steel Structures, Fireproof Fabric, Fireproof Board | 500K CNY | ไม่รองรับ |
| Langfang Dahao Fireproof Materials Co., Ltd | 2017-01-06 | Fireproof Coating Steel Structures, None, Tunnel Fireproof Coating | 50000K CNY | ไม่รองรับ |
| Hebei Ruide Energy saving Technology Co., Ltd | 2022-06-09 | Fireproof Coating Steel Structures, Ceramic Fiber Blanket, Integrated Insulation And Decoration Board | 10000K CNY | ไม่รองรับ |
| Langfang Qijia Fireproof Materials Co., Ltd | 2024-12-12 | Fireproof Coating Steel Structures, Aluminum Silicate, Cotton Door Curtain | 1000K CNY | ไม่รองรับ |
| Tianjin Haosen Technology Co., Ltd. Hebei Branch | 2022-06-10 | Fireproof Coating Steel Structures, Aerogel Thermal Insulation Coating, Cable Fireproof Coating | - | ไม่รองรับ |
| Quanfeng Mineral Processing Plant in Lingshou County | 2014-10-14 | Fireproof Coating Steel Structures, Fluorite Series, Iron Oxide Pigment Series | - | รองรับ |
| Sichuan Meilin Sen Energy saving and Environmental Protection Technology Co., Ltd | 2019-09-12 | Fireproof Coating Steel Structures, Fireproof Coating, Polystyrene Board | 2000K CNY | ไม่รองรับ |
| Langfang Yanheng Fireproof Materials Co., Ltd | 2020-11-19 | Fireproof Coating Steel Structures, Smoke Barrier, Fire Blanket | 1000K CNY | ไม่รองรับ |
| Langfang Ruitian Fireproof Materials Co., Ltd | 2015-11-10 | Fireproof Coating Steel Structures, Porcelain Fireproof Blanket, Nano Composite Long-Lasting Anti Fouling Flash Coating | 20000K CNY | รองรับ |