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Product List
4351. Special Composite Soundproof Door for High-Noise Factories 
[Jun 24, 2025]
[Jun 24, 2025] Metal soundproof door The soundproof version, after custom design, has a theoretical sound insulation of 35 decibels and an actual noise reduction of approximately 25 decibels Specification Customized design Composite ...
Company: Nanjing Bohong Environmental Protection Technology Co., Ltd.
4352. Multi-Purpose Composite Sound Insulation Door [Jun 24, 2025]
[Jun 24, 2025] Metal soundproof door The soundproof version, after custom design, has a theoretical sound insulation of 35 decibels and an actual noise reduction of approximately 25 decibels Specification Customized design Composite ...
Company: Nanjing Bohong Environmental Protection Technology Co., Ltd.
4353. Multi-Purpose Composite Sound Insulated Door [Jun 24, 2025]
[Jun 24, 2025] Metal soundproof door The soundproof version, after custom design, has a theoretical sound insulation of 35 decibels and an actual noise reduction of approximately 25 decibels Specification Customized design Composite ...
Company: Nanjing Bohong Environmental Protection Technology Co., Ltd.
4354. Steel Soundproof Doors Produced in China Can Insulate 30~45 Decibels of Sound [Jun 24, 2025]
[Jun 24, 2025] Metal soundproof door The soundproof version, after custom design, has a theoretical sound insulation of 35 decibels and an actual noise reduction of approximately 25 decibels Specification Customized design Composite ...
Company: Nanjing Bohong Environmental Protection Technology Co., Ltd.
4355. Steel Soundproof Door Produced in China, Class a Fire Resistance [Jun 24, 2025]
[Jun 24, 2025] Metal soundproof door The soundproof version, after custom design, has a theoretical sound insulation of 35 decibels and an actual noise reduction of approximately 25 decibels Specification Customized design Composite ...
Company: Nanjing Bohong Environmental Protection Technology Co., Ltd.
4356. Steel Soundproof Doors Produced in China, Class a Fire Resistance [Jun 24, 2025]
[Jun 24, 2025] Metal soundproof door The soundproof version, after custom design, has a theoretical sound insulation of 35 decibels and an actual noise reduction of approximately 25 decibels Specification Customized design Composite ...
Company: Nanjing Bohong Environmental Protection Technology Co., Ltd.
4357. Steel Soundproof Fireproof Doors Produced in China, Class a Fire Resistance [Jun 24, 2025]
[Jun 24, 2025] Metal soundproof door The soundproof version, after custom design, has a theoretical sound insulation of 35 decibels and an actual noise reduction of approximately 25 decibels Specification Customized design Composite ...
Company: Nanjing Bohong Environmental Protection Technology Co., Ltd.
4358. Steel Acoustic Fireproof Door Produced in China [Jun 24, 2025]
[Jun 24, 2025] Metal soundproof door The soundproof version, after custom design, has a theoretical sound insulation of 35 decibels and an actual noise reduction of approximately 25 decibels Specification Customized design Composite ...
Company: Nanjing Bohong Environmental Protection Technology Co., Ltd.
4359. Steel Acoustic Fireproof Doors Produced in China [Jun 24, 2025]
[Jun 24, 2025] Metal soundproof door The soundproof version, after custom design, has a theoretical sound insulation of 35 decibels and an actual noise reduction of approximately 25 decibels Specification Customized design Composite ...
Company: Nanjing Bohong Environmental Protection Technology Co., Ltd.
4360. Steel Sound Insulated Fireproof Door Produced in China [Jun 24, 2025]
[Jun 24, 2025] Metal soundproof door The soundproof version, after custom design, has a theoretical sound insulation of 35 decibels and an actual noise reduction of approximately 25 decibels Specification Customized design Composite ...
Company: Nanjing Bohong Environmental Protection Technology Co., Ltd.
4361. Steel Sound Insulated Fireproof Doors Produced in China [Jun 24, 2025]
[Jun 24, 2025] Metal soundproof door The soundproof version, after custom design, has a theoretical sound insulation of 35 decibels and an actual noise reduction of approximately 25 decibels Specification Customized design Composite ...
Company: Nanjing Bohong Environmental Protection Technology Co., Ltd.
4362. Steel Soundproof Fireproof Door Produced in China [Jun 24, 2025]
[Jun 24, 2025] Metal soundproof door The soundproof version, after custom design, has a theoretical sound insulation of 35 decibels and an actual noise reduction of approximately 25 decibels Specification Customized design Composite ...
Company: Nanjing Bohong Environmental Protection Technology Co., Ltd.
4363. Steel Soundproof Fireproof Doors Produced in China [Jun 24, 2025]
[Jun 24, 2025] Metal soundproof door The soundproof version, after custom design, has a theoretical sound insulation of 35 decibels and an actual noise reduction of approximately 25 decibels Specification Customized design Composite ...
Company: Nanjing Bohong Environmental Protection Technology Co., Ltd.
4364. China Customizable Aluminum Fast PVC High Speed Rolling Shutter Door [Jun 24, 2025]
[Jun 24, 2025] >>PVC Door Intelligent Opening Solution Product Description >> Product Show Material Description Application Environment Doors for interior use in normal temperature environments Size ...
4365. Factory Price Electric Bike Battery Factories Thermal Insulation Fast Door [Jun 24, 2025]
[Jun 24, 2025] Product Description >> Product Show Material Description Application Environment Cold chain industry fresh storage, cold storage, freezer Size range W:1500-4000mm H:2000-4000mm Opening and closing ...
