| Langfang Meixin Fireproof Materials Co., Ltd | 2016-03-22 | Fireproof Coating For Steel Structures, Fireproof Mud, Explosion-Proof Adhesive Mud, Fire Blocking Module | 21000K CNY | ไม่รองรับ |
| Quanfeng Mineral Processing Plant in Lingshou County | 2014-10-14 | Fireproof Coating For Steel Structures, Fluorite Series, Iron Oxide Pigment Series | - | รองรับ |
| Langfang Gaoteng Fireproof Materials Co., Ltd | 2020-09-07 | Fireproof Coating For Steel Structures, Fireproof Trough Box, Fireproof Board Coated Board | 500K CNY | ไม่รองรับ |
| Langfang Dahao Fireproof Materials Co., Ltd | 2017-01-06 | Fireproof Coating For Steel Structures, None, Tunnel Fireproof Coating | 50000K CNY | ไม่รองรับ |
| Hebei Qiyu New Building Materials Co., Ltd | 2020-02-26 | Fireproof Coating For Steel Structures, Aluminum Silicate, Glass Wool Board | 3000K CNY | ไม่รองรับ |
| Tianjin Haosen Technology Co., Ltd. Hebei Branch | 2022-06-10 | Fireproof Coating For Steel Structures, Aerogel Thermal Insulation Coating, Cable Fireproof Coating | - | ไม่รองรับ |
| Langfang Ruitian Fireproof Materials Co., Ltd | 2015-11-10 | Fireproof Coating For Steel Structures, Porcelain Fireproof Blanket, Nano Composite Long-Lasting Anti Fouling Flash Coating | 20000K CNY | รองรับ |
| Langfang Hengzhong Thermal Insulation Materials Co., Ltd | 2018-11-30 | Fireproof Coating For Steel Structures, Polyurethane Pipe Shell, Galvanized Overhead Insulation Pipe | 5000K CNY | ไม่รองรับ |
| Langfang Yueteng Energy saving Technology Co., Ltd | 2023-11-07 | Fireproof Coating For Steel Structures, Wooden Structure Fireproof Coating, Removable Insulation Sleeve | 1000K CNY | รองรับ |
| Langfang Zhenxi Environmental Protection Technology Co., Ltd | 2021-07-12 | Fireproof Coating For Steel Structures, Polymer Sealing Agent, Fiberglass Cloth | 10000K CNY | ไม่รองรับ |