| Langfang Meixin Fireproof Materials Co., Ltd | 2016-03-22 | Water Based Cable Fireproof Coating, Fireproof Mud, Explosion-Proof Adhesive Mud, Fire Blocking Module | 21000K CNY | 미지원 |
| Hebei Xichao Environmental Protection Technology Co., Ltd | 2020-09-07 | Water Based Cable Fireproof Coating, Refueling Package, Fireproof Coating | 10000K CNY | 미지원 |
| Langfang Gaoteng Fireproof Materials Co., Ltd | 2020-09-07 | Water Based Cable Fireproof Coating, Fireproof Board Coated Board, Fireproof Board | 500K CNY | 미지원 |
| Langfang Xukun Fireproof Materials Co., Ltd | 2024-11-19 | Water Based Cable Fireproof Coating, Fireproof Coating, Fire Blocking Module | 500K CNY | 미지원 |
| Langfang Dahao Fireproof Materials Co., Ltd | 2017-01-06 | Water Based Cable Fireproof Coating, Flexible Organic Sealing, Fire Blocking Module | 50000K CNY | 미지원 |
| Langfang Pengchao Fireproof Materials Co., Ltd | 2009-09-16 | Water Based Cable Fireproof Coating, Fireproof Trough Box, Fireproof Bag | 60000K CNY | 미지원 |
| Hebei Changxing Sealing and Insulation Materials Co., Ltd | 2006-08-25 | Water Based Cable Fireproof Coating, Polyester Nonwoven , No Smashing Bricks | 5000K CNY | 지원 |
| Hebei Meixia Environmental Protection Technology Co., Ltd | 2018-04-20 | Water Based Cable Fireproof Coating, Fire Blocking Module, Fireproof Board | 16660K CNY | 미지원 |
| Hebei Xinliankuo Fireproof Materials Co., Ltd | 2020-06-23 | Water Based Cable Fireproof Coating, Cable Fireproof Coating, Fireproof Board | 3000K CNY | 지원 |
| Tianjin Haosen Technology Co., Ltd. Hebei Branch | 2022-06-10 | Water Based Cable Fireproof Coating, Fireproof Package Fireproof Package, Fireproof Mud Fireproof Board | - | 미지원 |