| Jinwolena New Materials (Dacheng County) Co., Ltd | 2026-07-08 | Fireproof Roll Material, Huamei Rubber Sheet, Aluminum Foil Rubber | 570K CNY | 미지원 |
| Langfang Paiheng Energy saving Technology Co., Ltd | 2023-05-16 | Fireproof Roll Material, Nano Aerogel Insulation Blanket, Thermal Equipment Insulation | 3000K CNY | 지원 |
| Langfang Wanzhuo Thermal Insulation Materials Co., Ltd | 2016-07-27 | Fireproof Roll Material, Elevator Shaft Sound-Absorbing Panel, Backing Board | 5000K CNY | 미지원 |
| Langfang Wanheng Energy saving Technology Co., Ltd | 2022-03-09 | Fireproof Roll Material, Ceramic Insulation Integrated Board, Asbestos Free Aerogel Felt Refractory Board | 10000K CNY | 미지원 |
| Langfang Yafeng Energy saving Technology Co., Ltd | 2018-06-27 | Fireproof Roll Material, Elevator Shaft Sound-Absorbing Panel, Fireproof Package | 20000K CNY | 미지원 |
| Langfang Ouye Energy saving Technology Co., Ltd | 2022-01-06 | Fireproof Roll Material, Foam Glass Plate, Steel Skeleton Lightweight Plate | 3000K CNY | 지원 |
| Hebei Ruide Energy saving Technology Co., Ltd | 2022-06-09 | Fireproof Roll Material, Ceramic Fiber Blanket, Integrated Insulation And Decoration Board | 10000K CNY | 미지원 |
| Langfang Anxia Thermal Insulation Materials Co., Ltd | 2016-07-19 | Fireproof Roll Material, Waterproof Backing Board, Rock Wool Composite Panel | 10000K CNY | 미지원 |
| Shandong Diansheng New Materials Co., Ltd | 2023-02-06 | Fireproof Roll Material, Fire Extinguisher, Aluminum Silicate | 3000K CNY | 미지원 |
| Langfang Dongrun Sealing Materials Co., Ltd | 2021-02-24 | Fireproof Roll Material, Metal Toothed Gasket, Rubber Gasket | 1000K CNY | 지원 |