| Langfang Ouye Energy saving Technology Co., Ltd | 2022-01-06 | Thermal Insulation Composite Integrated Board, Open Self-Adhesive Insulation Pipe, Silicate Board | 3000K CNY | Pris en charge |
| Hebei Delimus Building Materials Co., Ltd | 2019-04-17 | Thermal Insulation Composite Integrated Board, Waterproof Backing Board, Glass Wool Board | 12880K CNY | Non pris en charge |
| Xinji Qingshina New Material Technology Co., Ltd | 2022-10-18 | Thermal Insulation Composite Integrated Board, Pre Engine, Extruded Polystyrene Board | 1000K CNY | Non pris en charge |
| Shandong Lutai Building Industrialization Materials Co., Ltd | 2017-10-31 | Thermal Insulation Composite Integrated Board, Calcium Silicate Board, Fiber Cement Board | 101976.384K CNY | Non pris en charge |
| Langfang Eastern European New Building Materials Co., Ltd | 2019-12-05 | Thermal Insulation Composite Integrated Board, Vacuum Board, Integrated Structural Board | 500K CNY | Non pris en charge |
| Langfang Zongbu Energy saving Technology Co., Ltd | 2021-07-12 | Thermal Insulation Composite Integrated Board, Floor Heating, Eva | 2000K CNY | Non pris en charge |
| Langfang Zhenghan New Material Technology Co., Ltd | 2026-03-16 | Thermal Insulation Composite Integrated Board, Glass Wool Blanket , Cnc Cutting Machine | 100K CNY | Non pris en charge |
| Langfang Senbo Thermal Insulation Building Materials Co., Ltd | 2012-12-05 | Thermal Insulation Composite Integrated Board, Decorative Integrated Panel, Polyurethane Edge Sealing Rock Wool Composite Board | 10000K CNY | Non pris en charge |
| Langfang Rongche New Building Materials Co., Ltd | 2023-06-29 | Thermal Insulation Composite Integrated Board, Foam Glass, Built In Insulation Structure Integrated Board | 3000K CNY | Non pris en charge |
| Langfang Xinying Thermal Insulation Materials Co., Ltd | 2015-05-04 | Thermal Insulation Composite Integrated Board, Rock Wool Pipe, Inorganic Fiber Spray Cotton | 2000K CNY | Non pris en charge |