| Langfang Paiheng Energy saving Technology Co., Ltd | 2023-05-16 | Thermal Insulation Integration, Rock Wool Composite Panel, Centrifugal Ultra-Fine Glass Wool Board | 3000K CNY | Supported |
| Tangshan Zhongyan Building Materials Co., Ltd | 2022-12-09 | Thermal Insulation Integration, , Chain Block | 10000K CNY | Not Supported |
| Langfang Chenzhan Environmental Protection Technology Co., Ltd | 2018-10-11 | Thermal Insulation Integration, Concrete, Lightweight Aggregate Concrete | 30000K CNY | Not Supported |
| Hebei Jiuce New Building Materials Co., Ltd | 2020-02-28 | Thermal Insulation Integration, Polyurethane Insulation Board, Rock Wool Board | 3000K CNY | Not Supported |
| Langfang Sanpeng Thermal Insulation Materials Co., Ltd | 2012-01-17 | Thermal Insulation Integration, Modified Phenolic Board, Extruded Polystyrene Board | 50000K CNY | Not Supported |
| Guangdong Zhongji Building Energy saving Materials Co., Ltd | 2020-03-09 | Thermal Insulation Integration, Polyurethane For Cold Storage Water Tank, Polyurethane Insulation | 8000K CNY | Not Supported |
| Langfang Yifang Plastic Industry Co., Ltd | 2018-03-23 | Thermal Insulation Integration, Expansion Anchor, Door And Window Gaskets | 5000K CNY | Not Supported |
| Guangdong Huolun Building Materials Technology Development Co., Ltd | 2013-09-05 | Thermal Insulation Integration, Waterproof Of Various Highways And Bridges, Sound Absorption And Insulation Engineering | 50000K CNY | Not Supported |
| Langfang Xinduoli Energy saving Technology Co., Ltd | 2023-10-12 | Thermal Insulation Integration, Polyferric Sulfate, Algaecide And Bactericide | 5000K CNY | Not Supported |
| Langfang Chaoyang Environmental Protection Technology Co., Ltd | 2022-11-21 | Thermal Insulation Integration, Phosphorus Removal Agent, Boiler Deoxygenation Agent | 20000K CNY | Not Supported |