| Langfang Dahao Fireproof Materials Co., Ltd | 2017-01-06 | Fireproof Coating Thin Steel, None, Tunnel Fireproof Coating | 50000K CNY | No compatible |
| Langfang Meixin Fireproof Materials Co., Ltd | 2016-03-22 | Fireproof Coating Thin Steel, Fireproof Mud, Explosion-Proof Adhesive Mud, Fire Blocking Module | 21000K CNY | No compatible |
| Langfang Gaoteng Fireproof Materials Co., Ltd | 2020-09-07 | Fireproof Coating Thin Steel, Fireproof Trough Box, Fireproof Board Coated Board | 500K CNY | No compatible |
| Tianjin Haosen Technology Co., Ltd. Hebei Branch | 2022-06-10 | Fireproof Coating Thin Steel, Aerogel Thermal Insulation Coating, Cable Fireproof Coating | - | No compatible |
| Guangdong Caixian New Materials Co., Ltd | 2020-09-27 | Fireproof Coating Thin Steel, Sound Absorption And Insulation, Renovation Materials For Interior And Exterior Walls | 5000K CNY | No compatible |
| Guangzhou Naiboshi Building Materials Co., Ltd | 2023-10-17 | Fireproof Coating Thin Steel, Road And Bridge Waterproofing, Anti Radiation Insulation | 1000K CNY | No compatible |
| Langfang Shikang New Building Materials Co., Ltd | 2023-12-19 | Fireproof Coating Thin Steel, Smoke Proof Glass Wool Board, Smoke And Fire Protection Package | 2000K CNY | No compatible |
| Langfang Kaijiang Fireproof Materials Co., Ltd | 2021-01-25 | Fireproof Coating Thin Steel, Cable Fireproof Coating, Thick Fireproof Coating | 30000K CNY | No compatible |
| Langfang Xukun Fireproof Materials Co., Ltd | 2024-11-19 | Fireproof Coating Thin Steel, Fireproof Fabric, Fireproof Board | 500K CNY | No compatible |
| Langfang Xupu Energy saving Technology Co., Ltd | 2023-04-10 | Fireproof Coating Thin Steel, Polyurethane Glass Wool Sandwich Panel, Fireproof Coating | 2000K CNY | No compatible |