| Langfang Wanhui Thermal Insulation Materials Co., Ltd | 2024-02-19 | Insulation Board, Perlite Board, Aluminum Silicate Tube | 1000K CNY | 미지원 |
| Chongqing Zhuquan Purification Equipment Technology Co., Ltd | 2022-09-19 | Insulation Board, Glass Magnesium Purification Board, Polyurethane Edge Sealing Frozen Storage Board | 10000K CNY | 미지원 |
| Guangzhou Heqiang HVAC Materials Co., Ltd | 2007-03-12 | Insulation Board, Aluminum Foil Cover, Pipeline Insulation Protective Cover | 300K CNY | 미지원 |
| Langfang Yafeng Energy saving Technology Co., Ltd | 2018-06-27 | Insulation Board, Fireproof Package, Aluminum Silicate | 20000K CNY | 미지원 |
| Langfang Huaneng New Building Materials Co., Ltd | 1998-08-11 | Insulation Board, Extruded Polystyrene Board, Fireproof Extruded Board | 51000K CNY | 미지원 |
| Hebei Huajiang Construction Engineering Co., Ltd | 2021-04-16 | Insulation Board, Metal Building Materials | 10000K CNY | 미지원 |
| Langfang Shuangluo Energy saving Technology Co., Ltd | 2023-02-10 | Insulation Board, Rubber And Plastic Insulation Pipe, Rock Wool Felt | 1000K CNY | 미지원 |
| Chengdu Lorek New Material Manufacturing Co., Ltd | 2019-07-25 | Insulation Board, Insulated Steel Pipe | 10000K CNY | 미지원 |
| Xining Qiangtai Building Materials Co., Ltd | 2013-11-01 | Insulation Board, Lightweight Partition Board, Environmentally Friendly Soundproof Wall Panel | 500K CNY | 미지원 |
| Raoyang Xingyi Wire Mesh Products Co., Ltd | 2020-03-23 | Insulation Board, Fiberglass Mesh, Interior Wall Insulation Mesh Cloth | 100K CNY | 미지원 |