| Langfang Dahao Fireproof Materials Co., Ltd | 2017-01-06 | Tunnel Type Steel Fireproof Coating, Flexible Organic Sealing, Fire Blocking Module | 50000K CNY | Non supportato |
| Zhong'an Fire Equipment (Shandong) Co., Ltd | 2021-06-24 | Tunnel Type Steel Fireproof Coating, Industry, Machine | 3500K CNY | Supportato |
| Weicheng Fire Protection Technology Group Co., Ltd | 2007-12-12 | Tunnel Type Steel Fireproof Coating, Steel Structure Fireproof Coating, Flame Retardant Fabric | 66000K CNY | Non supportato |
| Sichuan Xinsheng Tongtai Energy saving Technology Co., Ltd | 2021-09-30 | Tunnel Type Steel Fireproof Coating, Inorganic Fibers, Inorganic Fiber Spray Cotton | 3000K CNY | Supportato |
| Tianjin Haosen Technology Co., Ltd. Hebei Branch | 2022-06-10 | Tunnel Type Steel Fireproof Coating, Fireproof Package Fireproof Package, Fireproof Mud Fireproof Board | - | Non supportato |
| Tianjin Xiangsheng Weiye Powder Coating Co., Ltd | 2020-01-17 | Tunnel Type Steel Fireproof Coating, Petroleum Pipeline Coating, Pipeline Coating | 10000K CNY | Supportato |
| Langfang Shirun Energy saving Technology Co., Ltd | 2021-06-15 | Tunnel Type Steel Fireproof Coating, Foam Glass Plate, Steel Skeleton Lightweight Plate | 2000K CNY | Supportato |
| Langfang Jingqian Environmental Protection Technology Co., Ltd | 2021-12-13 | Tunnel Type Steel Fireproof Coating, Glass Flake Coating, Vinyl Ester Resin | 3000K CNY | Non supportato |
| Langfang Xukun Fireproof Materials Co., Ltd | 2024-11-19 | Tunnel Type Steel Fireproof Coating, Fireproof Coating, Fire Blocking Module | 500K CNY | Non supportato |
| Langfang Ruitian Fireproof Materials Co., Ltd | 2015-11-10 | Tunnel Type Steel Fireproof Coating, Foam Plugging Material, Cable Fireproof Coating | 20000K CNY | Supportato |