| Langfang Aoke Thermal Insulation Materials Co., Ltd | 2019-03-19 | Self Build Insulation Panel, Integrated Extruded Structure, Structured Integrated Board | 2000K CNY | Tidak didukung |
| Jinan Dibeier Environmental Protection Materials Co., Ltd | 2018-03-14 | Self Build Insulation Panel, Wide And Narrow Brick Metal Carving Board, Wood Grain Metal Carved Board | 5000K CNY | Tidak didukung |
| Hebei Jiuce New Building Materials Co., Ltd | 2020-02-28 | Self Build Insulation Panel, Polystyrene Board (Graphite Polystyrene Board), Polyphenylene Board | 3000K CNY | Tidak didukung |
| Langfang Zhengbo Thermal Insulation Materials Co., Ltd | 2015-04-27 | Self Build Insulation Panel, Desulfurizer, Low Temperature Denitration Agent | 3000K CNY | Tidak didukung |
| Hebei Yueyang Chemical Co., Ltd | 2017-03-29 | Self Build Insulation Panel, Decorative Integrated Panel, Cable Fireproof Coating | 12800K CNY | Tidak didukung |
| Hubei Xinpai Energy saving Technology Co., Ltd | 2019-12-27 | Self Build Insulation Panel, Steel Wall Panel, Aluminum Insulation Integrated Board | 2000K CNY | Tidak didukung |
| Hebei Kaizhu New Material Technology Co., Ltd | 2025-05-20 | Self Build Insulation Panel, Genuine Stone Lacquer Ceramic Thin Plate, Integrated Insulation Board | 3000K CNY | Tidak didukung |
| Langfang New Era Chemical Building Materials Co., Ltd | 1998-09-22 | Self Build Insulation Panel, Waterproof Backing Board, Aluminum Silicate Needle Punched Blanket | 120000K CNY | Tidak didukung |
| Langfang Zhengsheng Thermal Insulation Building Materials Co., Ltd | 2014-04-04 | Self Build Insulation Panel, Fireproof Insulation Board, Non Dismantling Insulation Integrated Board | 20080K CNY | Tidak didukung |
| Hebei Langke New Materials Technology Co., Ltd | 2023-10-18 | Self Build Insulation Panel, Peripheral Protection, Passive Ultra-Low Energy Consumption | 3000K CNY | Tidak didukung |