| Langfang Dahao Fireproof Materials Co., Ltd | 2017-01-06 | Fireproof Paint, None, Tunnel Fireproof Coating | 50000K CNY | ไม่รองรับ |
| Langfang Gaoteng Fireproof Materials Co., Ltd | 2020-09-07 | Fireproof Paint, Fireproof Trough Box, Fireproof Board Coated Board | 500K CNY | ไม่รองรับ |
| Dingcheng Refractory Material Factory in Dacheng County | 2014-01-22 | Fireproof Paint, Ceramic Fiber Tape, Asbestos Tape | - | ไม่รองรับ |
| Langfang Ruitian Fireproof Materials Co., Ltd | 2015-11-10 | Fireproof Paint, Porcelain Fireproof Blanket, Nano Composite Long-Lasting Anti Fouling Flash Coating | 20000K CNY | รองรับ |
| Langfang Allies Fireproof Materials Co., Ltd | 2015-12-14 | Fireproof Paint, Rock Wool Insulation, Special Coatings | 18000K CNY | ไม่รองรับ |
| Kunshan Rongtai Construction Engineering Co., Ltd | 2011-10-28 | Fireproof Paint, Foam Concrete, Foamed Cement Banking | 5000K CNY | ไม่รองรับ |
| Liaoning Xubang Paint Industry Co., Ltd | 2023-05-11 | Fireproof Paint, Clean, Odorless, Weather Resistant, Anti-Corrosion Wood Oil, Water-Based Industrial Paint | 9800K CNY | ไม่รองรับ |
| Hebei Zhangzhan Weiye Technology Development Co., Ltd | 2018-09-14 | Fireproof Paint, Indoor Non Expanding Fireproof Coating, Outdoor Non Expanding Fireproof Coating | 20000K CNY | ไม่รองรับ |
| Hebei Xinliankuo Fireproof Materials Co., Ltd | 2020-06-23 | Fireproof Paint, Tunnel Fireproof Coating, Cable Fireproof Coating | 3000K CNY | รองรับ |
| Langfang Yanheng Fireproof Materials Co., Ltd | 2020-11-19 | Fireproof Paint, Smoke Barrier, Fire Blanket | 1000K CNY | ไม่รองรับ |