| Hebei Fusheng Building Materials Co., Ltd | 2018-04-27 | Glass Wool Soundproof Board, Glass Wool Board, Zhuomeisi Rubber Sheet | 3000K CNY | Didukung |
| Langfang Newshi Thermal Insulation Materials Co., Ltd | 2025-03-10 | Glass Wool Soundproof Board | 500K CNY | Didukung |
| Cangzhou Yafeng Building Materials Chemical Co., Ltd | 2003-06-09 | Glass Wool Soundproof Board, Alien Pipeline Insulation Shell, Thermal Blanket | 25000K CNY | Tidak didukung |
| Utson New Materials Group Co., Ltd | 2012-01-17 | Glass Wool Soundproof Board, Formaldehyde Free Fiberglass Soundproof Duct, Integrated Insulation And Decoration Board | 60000K CNY | Tidak didukung |
| Guangzhou Temai Trading Co., Ltd | 2016-04-12 | Glass Wool Soundproof Board, Rock Wool Pipe, Formaldehyde Free Glass Wool Tube Shell | 500K CNY | Tidak didukung |
| Chongqing Qinghang Thermal Insulation Building Materials Co., Ltd | 2010-10-20 | Glass Wool Soundproof Board, Lightweight Aggregate Concrete, Glass Wool Board | 1000K CNY | Tidak didukung |
| Hebei Langke New Materials Technology Co., Ltd | 2023-10-18 | Glass Wool Soundproof Board, Glass Wool Blanket , Eps Polystyrene Line | 3000K CNY | Tidak didukung |
| Foshan Youjiabeidi Building Materials Co., Ltd | 2016-03-16 | Glass Wool Soundproof Board, Hardware Accessories, Damping Material | 5000K CNY | Tidak didukung |
| Langfang Yisheng Building Materials Co., Ltd | 2018-12-07 | Glass Wool Soundproof Board, Rock Wool Ceiling, Aluminum Ceiling Panel | 5000K CNY | Tidak didukung |
| Langfang Fengcheng New Building Materials Co., Ltd | 2026-01-16 | Glass Wool Soundproof Board, Glass Wool Blanket , Rock Wool Board | 2000K CNY | Tidak didukung |