| Langfang Gaoteng Fireproof Materials Co., Ltd | 2020-09-07 | Indoor Steel Structure Fireproof Coating, Fireproof Trough Box, Fireproof Board Coated Board | 500K CNY | Não compatível |
| Langfang Meixin Fireproof Materials Co., Ltd | 2016-03-22 | Indoor Steel Structure Fireproof Coating, Fireproof Mud, Explosion-Proof Adhesive Mud, Fire Blocking Module | 21000K CNY | Não compatível |
| Langfang Dahao Fireproof Materials Co., Ltd | 2017-01-06 | Indoor Steel Structure Fireproof Coating, None, Tunnel Fireproof Coating | 50000K CNY | Não compatível |
| Hebei Xinliankuo Fireproof Materials Co., Ltd | 2020-06-23 | Indoor Steel Structure Fireproof Coating, Tunnel Fireproof Coating, Cable Fireproof Coating | 3000K CNY | Compatível |
| Langfang Allies Fireproof Materials Co., Ltd | 2015-12-14 | Indoor Steel Structure Fireproof Coating, Rock Wool Insulation, Special Coatings | 18000K CNY | Não compatível |
| Tianjin Haosen Technology Co., Ltd. Hebei Branch | 2022-06-10 | Indoor Steel Structure Fireproof Coating, Aerogel Thermal Insulation Coating, Cable Fireproof Coating | - | Não compatível |
| Hebei Yintong Energy saving Technology Co., Ltd | 2023-09-14 | Indoor Steel Structure Fireproof Coating, Foam Plugging Material, Fireproof And Explosion-Proof Blanket | 8000K CNY | Compatível |
| Hebei Jinteng Fireproof Materials Co., Ltd | 2021-05-26 | Indoor Steel Structure Fireproof Coating, Tunnel Fireproof Coating, Non Expanding Steel Structure Fireproof Coating | 3000K CNY | Compatível |
| Langfang Yanheng Fireproof Materials Co., Ltd | 2020-11-19 | Indoor Steel Structure Fireproof Coating, Smoke Barrier, Fire Blanket | 1000K CNY | Não compatível |
| Hebei Zhangzhan Weiye Technology Development Co., Ltd | 2018-09-14 | Indoor Steel Structure Fireproof Coating, Indoor Non Expanding Fireproof Coating, Outdoor Non Expanding Fireproof Coating | 20000K CNY | Não compatível |