| Langfang Rongte Building Materials Group Co., Ltd | 2014-11-03 | Boiler Room, Explosive Bolt Traction Cable, Waterproof Backing Board | 16000K CNY | ไม่รองรับ |
| Hebei Jinmingchun Radiant Co., Ltd | 2002-07-05 | Boiler Room, , Steel Six Columns | 80000K CNY | รองรับ |
| Shenyang Dongjian Construction Engineering Co., Ltd | 2014-07-10 | Boiler Room, Fire And Explosion Prevention Wall, Lightweight Explosion-Proof Wall | 50000K CNY | ไม่รองรับ |
| Zhejiang Rihong Explosion proof Electrical Appliance Co., Ltd | 2014-06-30 | Boiler Room, Inspection Box, Power Distribution Box | 10000K CNY | รองรับ |
| Langfang Huiyu Thermal Insulation Materials Co., Ltd | 2021-09-15 | Boiler Room, Polyurethane Pipe Shell, Glass Wool Blanket | 10000K CNY | ไม่รองรับ |
| Shanghai Yurong Intelligent Technology Co., Ltd | 2016-07-27 | Boiler Room, Wireless Monitoring Module, Burglar Alarm | 1000K CNY | ไม่รองรับ |
| Langfang Aofei Energy saving Technology Co., Ltd | 2025-02-11 | Boiler Room, Polyphenylene Board, Rock Wool Board | 5000K CNY | ไม่รองรับ |
| Nantong Yuanquan Pressure Vessel Co., Ltd | 2011-08-18 | Boiler Room, Spiral Plate Heat Exchanger, Oil Storage Tank | 15000K CNY | รองรับ |
| Hebei Liangxiang Environmental Protection Equipment Co., Ltd | 2023-02-17 | Boiler Room, , Cable Protection Pipe | 3600K CNY | รองรับ |
| Hebei Chuangzhan Doors and Windows Manufacturing Co., Ltd | 2021-05-18 | Boiler Room, Aluminum Explosion-Proof Window, Explosion Gate | 56000K CNY | รองรับ |