| Langfang Paiheng Energy saving Technology Co., Ltd | 2023-05-16 | Fireproof Coated Board, Nano Aerogel Insulation Blanket, Thermal Equipment Insulation | 3000K CNY | รองรับ |
| Langfang Gaoteng Fireproof Materials Co., Ltd | 2020-09-07 | Fireproof Coated Board, Fireproof Trough Box, Fireproof Board Coated Board | 500K CNY | ไม่รองรับ |
| Changzhou Jierui Automotive Parts Co., Ltd | 2014-11-13 | Fireproof Coated Board, Polaris Razor 1000 Windshield - Half Gear, Yamaha Yxz | 6000K CNY | รองรับ |
| Langfang Dahao Fireproof Materials Co., Ltd | 2017-01-06 | Fireproof Coated Board, Thick Non Expanding Fireproof Coating, Cable Fireproof Coating | 50000K CNY | ไม่รองรับ |
| Langfang Meixin Fireproof Materials Co., Ltd | 2016-03-22 | Fireproof Coated Board, Fireproof Mud, Explosion-Proof Adhesive Mud, Fire Blocking Module | 21000K CNY | ไม่รองรับ |
| Langfang Yican Fireproof Materials Co., Ltd | 2015-10-26 | Fireproof Coated Board, Rainproof Tent Cloth, Fireproof Fabric | 1000K CNY | ไม่รองรับ |
| Langfang Chengke Fireproof Materials Co., Ltd | 2020-05-25 | Fireproof Coated Board, Ceramic Protective Blanket, Fireproof Conduit | 8880K CNY | ไม่รองรับ |
| Langfang Zhengyao Environmental Protection Technology Co., Ltd | 2023-02-10 | Fireproof Coated Board, Fireproof Bag Strap, Fireproof Trough Box | 5000K CNY | ไม่รองรับ |
| Shandong Mingte Ceramic Materials Co., Ltd | 2013-10-11 | Fireproof Coated Board, Quartz Material Cylinder, Alien Fire Blocking Plate | 10000K CNY | รองรับ |
| Langfang Longtai Xinbo Fireproof Materials Co., Ltd | 2011-04-15 | Fireproof Coated Board, Inorganic Fireproof Trunking, Fireproof Blanket | 56800K CNY | ไม่รองรับ |