| Langfang Wanhui Thermal Insulation Materials Co., Ltd | 2024-02-19 | Thermosetting Composite Polystyrene Board, Perlite Board, Aluminum Silicate Tube | 1000K CNY | No compatible |
| Langfang Ouye Energy saving Technology Co., Ltd | 2022-01-06 | Thermosetting Composite Polystyrene Board, Open Self-Adhesive Insulation Pipe, Silicate Board | 3000K CNY | Compatible |
| Langfang Rongte Building Materials Group Co., Ltd | 2014-11-03 | Thermosetting Composite Polystyrene Board, Industrial Integrated Calcium Silicate Composite Board, Rubber And Plastic Pipe | 16000K CNY | No compatible |
| Hebei Jiuce New Building Materials Co., Ltd | 2020-02-28 | Thermosetting Composite Polystyrene Board, Rock Wool Composite Panel, Waterproof And Insulation Integrated Board | 3000K CNY | No compatible |
| Dongguan Shutailong Energy saving Materials Co., Ltd | 2023-09-07 | Thermosetting Composite Polystyrene Board, Special Extruded Polystyrene Board For Cold Storage, Extruded Polystyrene Board | 800K CNY | No compatible |
| Sichuan Xinhengyi Energy saving Materials Co., Ltd | 2023-06-20 | Thermosetting Composite Polystyrene Board, Pig House Insulation Ceiling, Rock Wool Board | 8000K CNY | No compatible |
| Guangzhou Gutes New Building Materials Co., Ltd | 2018-03-19 | Thermosetting Composite Polystyrene Board, Thermosetting Plate, Rubber And Plastic Pipe | 5000K CNY | Compatible |
| Langfang Eastern European New Building Materials Co., Ltd | 2019-12-05 | Thermosetting Composite Polystyrene Board, Vacuum Board, Integrated Structural Board | 500K CNY | No compatible |
| Langfang Zhengbo Thermal Insulation Materials Co., Ltd | 2015-04-27 | Thermosetting Composite Polystyrene Board, Cod Degrading Agent, Ammonia Nitrogen Remover | 3000K CNY | No compatible |
| Langfang Shengmida Technology Co., Ltd | 2018-12-05 | Thermosetting Composite Polystyrene Board, Polystyrene Board, Eps Line | 10000K CNY | No compatible |