| Langfang Dahao Fireproof Materials Co., Ltd | 2017-01-06 | Thick Fireproof Coating, Flexible Organic Sealing, Fire Blocking Module | 50000K CNY | 미지원 |
| Langfang Henghao Energy saving Technology Co., Ltd | 2022-06-06 | Thick Fireproof Coating, Lightweight Aggregate Concrete, Epoxy Glass Flake Coating | 2000K CNY | 미지원 |
| Langfang Ruitian Fireproof Materials Co., Ltd | 2015-11-10 | Thick Fireproof Coating, Porcelain Fireproof Blanket, Mobile Fireproof Partition | 20000K CNY | 지원 |
| Langfang Gaoteng Fireproof Materials Co., Ltd | 2020-09-07 | Thick Fireproof Coating, Fireproof Board Coated Board, Fireproof Board | 500K CNY | 미지원 |
| Hebei Meixia Environmental Protection Technology Co., Ltd | 2018-04-20 | Thick Fireproof Coating, Fire Blocking Module, Fireproof Board | 16660K CNY | 미지원 |
| Hebei Xinliankuo Fireproof Materials Co., Ltd | 2020-06-23 | Thick Fireproof Coating, Cable Fireproof Coating, Fireproof Board | 3000K CNY | 지원 |
| Langfang Shifeng Fireproof Materials Co., Ltd | 2021-11-23 | Thick Fireproof Coating, Polyurethane Composite Material, Fireproof Putty | 3000K CNY | 미지원 |
| Langfang Pengchao Fireproof Materials Co., Ltd | 2009-09-16 | Thick Fireproof Coating, Fireproof Trough Box, Fireproof Bag | 60000K CNY | 미지원 |
| Langfang Allies Fireproof Materials Co., Ltd | 2015-12-14 | Thick Fireproof Coating, Fireproof Module, Refractory Brick, Coated Calcium Silicate Board | 18000K CNY | 미지원 |
| Hebei Yintong Energy saving Technology Co., Ltd | 2023-09-14 | Thick Fireproof Coating, High Strength Waterproof And Fireproof Foam Adhesive, L-Shaped Fireproof Board | 8000K CNY | 지원 |