| Langfang Paiheng Energy saving Technology Co., Ltd | 2023-05-16 | Polyisocyanurate Pipe Shell Plate, Nano Aerogel Insulation Blanket, Thermal Equipment Insulation | 3000K CNY | Didukung |
| Hebei Ruide Energy saving Technology Co., Ltd | 2022-06-09 | Polyisocyanurate Pipe Shell Plate, Ceramic Fiber Blanket, Integrated Insulation And Decoration Board | 10000K CNY | Tidak didukung |
| Langfang Ouye Energy saving Technology Co., Ltd | 2022-01-06 | Polyisocyanurate Pipe Shell Plate, Foam Glass Plate, Steel Skeleton Lightweight Plate | 3000K CNY | Didukung |
| Hejian Yizhuo Thermal Insulation Materials Co., Ltd | 2020-12-10 | Polyisocyanurate Pipe Shell Plate, Centrifugal Aluminum Silicate Cotton Tube, Breathing Paper | 5000K CNY | Tidak didukung |
| Langfang Hongou Energy saving Technology Co., Ltd | 2025-06-06 | Polyisocyanurate Pipe Shell Plate, Roll Felt, Extruded Polystyrene Board | 500K CNY | Tidak didukung |
| Hebei Dongjian Thermal Insulation Materials Co., Ltd | 2024-01-09 | Polyisocyanurate Pipe Shell Plate, Thermal Insulation Cotton, Thermal Insulation, Fire Prevention And Flame Retardant Greenhouse Breeding | 3000K CNY | Tidak didukung |
| Hebei Paipeng Energy saving Technology Co., Ltd | 2021-05-12 | Polyisocyanurate Pipe Shell Plate, Glass Wool Soundproof Fiber Cotton, Glass Wool Board | 15000K CNY | Didukung |
| Langfang Chengji Energy saving Technology Co., Ltd | 2024-06-18 | Polyisocyanurate Pipe Shell Plate, Composite Polyurethane Board, Soundproofing Cotton For Sewer Pipes | 500K CNY | Didukung |
| Hebei Jiusa Energy saving Technology Co., Ltd | 2023-02-09 | Polyisocyanurate Pipe Shell Plate, Thermal Insulation Boiler Pipeline, Outdoor Water Pipe | 20000K CNY | Didukung |
| Langfang Aoshang Energy saving Technology Co., Ltd | 2023-03-17 | Polyisocyanurate Pipe Shell Plate, Aluminum Silicate Flexible Wrapping, Glass Wool Blanket | 1000K CNY | Didukung |