| Guangdong Longtao New Materials Co., Ltd | 2024-05-14 | Elevator Shaft Soundproof Panel, High Temperature Glass Wool, Hvac Specific Insulation Cotton | 5000K CNY | 非対応 |
| Langfang Wanhui Thermal Insulation Materials Co., Ltd | 2024-02-19 | Elevator Shaft Soundproof Panel, Perlite Board, Phenolic Composite Air Duct | 1000K CNY | 非対応 |
| Langfang Paiheng Energy saving Technology Co., Ltd | 2023-05-16 | Elevator Shaft Soundproof Panel, Nano Aerogel Insulation Blanket, Thermal Equipment Insulation | 3000K CNY | 対応 |
| Langfang Rongte Building Materials Group Co., Ltd | 2014-11-03 | Elevator Shaft Soundproof Panel, Explosive Bolt Traction Cable, Waterproof Backing Board | 16000K CNY | 非対応 |
| Hebei Fusheng Building Materials Co., Ltd | 2018-04-27 | Elevator Shaft Soundproof Panel, Glass Wool Board, Zhuomeisi Rubber Sheet | 3000K CNY | 対応 |
| Hebei Ruide Energy saving Technology Co., Ltd | 2022-06-09 | Elevator Shaft Soundproof Panel, Ceramic Fiber Blanket, Integrated Insulation And Decoration Board | 10000K CNY | 非対応 |
| Hejian Yizhuo Thermal Insulation Materials Co., Ltd | 2020-12-10 | Elevator Shaft Soundproof Panel, Centrifugal Aluminum Silicate Cotton Tube, Breathing Paper | 5000K CNY | 非対応 |
| Nanjing Shengshi Haofa Construction Engineering Co., Ltd | 2019-11-29 | Elevator Shaft Soundproof Panel, Computer Room Mineral Wool Sound-Absorbing Board, Pure White Glass Wool Spray Coating | 5000K CNY | 非対応 |
| Sichuan Jinggong Environmental Governance Co., Ltd | 2014-04-21 | Elevator Shaft Soundproof Panel, Hollow Silicon Microsphere Sound-Absorbing Board, Road Sound Barrier | 30000K CNY | 対応 |
| Langfang Bozhun Energy saving Technology Co., Ltd | 2023-05-24 | Elevator Shaft Soundproof Panel, Rock Wool Composite Panel, Rubber And Plastic Pipe | 6800K CNY | 非対応 |