Jiangsu Profile
Product List
3916. Steel Soundproof Doors Produced in China Can Insulate 30~45 Decibels of Sound 
[Dec 08, 2025]
[Dec 08, 2025] Soundproof door A soundproof door refers to a door that adopts a multi-layer composite, special sound insulation structure, is filled with professional sound insulation materials such as damping sound insulation boards ...
Company: Nanjing Bohong Environmental Protection Technology Co., Ltd.
3917. Steel Soundproof Door Produced in China, Class a Fire Resistancedouble Soundproof Door [Dec 08, 2025]
[Dec 08, 2025] Soundproof door A soundproof door refers to a door that adopts a multi-layer composite, special sound insulation structure, is filled with professional sound insulation materials such as damping sound insulation boards ...
Company: Nanjing Bohong Environmental Protection Technology Co., Ltd.
3918. Supply Steel Sound Insulated and Fireproof Doors - for Industrial Usesound Insulation Doors [Dec 08, 2025]
[Dec 08, 2025] Soundproof door A soundproof door refers to a door that adopts a multi-layer composite, special sound insulation structure, is filled with professional sound insulation materials such as damping sound insulation boards ...
Company: Nanjing Bohong Environmental Protection Technology Co., Ltd.
3919. Supply Steel Sound Insulated Doors - for Industrial Usesound Insulation Doorsmetal Dooraluminium ... [Dec 08, 2025]
[Dec 08, 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.
3920. Supply Steel Fireproof Sound Insulated Doors [Dec 08, 2025]
[Dec 08, 2025] Soundproof door A soundproof door refers to a door that adopts a multi-layer composite, special sound insulation structure, is filled with professional sound insulation materials such as damping sound insulation boards ...
Company: Nanjing Bohong Environmental Protection Technology Co., Ltd.
3921. Supply Steel Sound Acoustic Door - for Industrial Use [Dec 08, 2025]
[Dec 08, 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.
3922. Steel Soundproof Fireproof Doors Produced in China, Class a Fire Resistance [Dec 08, 2025]
[Dec 08, 2025] Soundproof door A soundproof door refers to a door that adopts a multi-layer composite, special sound insulation structure, is filled with professional sound insulation materials such as damping sound insulation boards ...
Company: Nanjing Bohong Environmental Protection Technology Co., Ltd.
3923. Special Composite Soundproof Door for High-Noise Factories [Dec 08, 2025]
[Dec 08, 2025] Soundproof door A soundproof door refers to a door that adopts a multi-layer composite, special sound insulation structure, is filled with professional sound insulation materials such as damping sound insulation boards ...
Company: Nanjing Bohong Environmental Protection Technology Co., Ltd.
3924. Composite Sound Insulated Door for High-Noise Equipment Rooms - Customizable [Dec 08, 2025]
[Dec 08, 2025] Soundproof door A soundproof door refers to a door that adopts a multi-layer composite, special sound insulation structure, is filled with professional sound insulation materials such as damping sound insulation boards ...
Company: Nanjing Bohong Environmental Protection Technology Co., Ltd.
3925. Special Composite Sound Insulated Door for High-Noise Factories [Dec 08, 2025]
[Dec 08, 2025] Soundproof door A soundproof door refers to a door that adopts a multi-layer composite, special sound insulation structure, is filled with professional sound insulation materials such as damping sound insulation boards ...
Company: Nanjing Bohong Environmental Protection Technology Co., Ltd.
3926. Steel Acoustic Fireproof Doors Produced in Chinadouble Soundproof Doorsound Insulation ... [Dec 08, 2025]
[Dec 08, 2025] Soundproof door A soundproof door refers to a door that adopts a multi-layer composite, special sound insulation structure, is filled with professional sound insulation materials such as damping sound insulation boards ...
Company: Nanjing Bohong Environmental Protection Technology Co., Ltd.
3927. Steel Acoustic Fireproof Door Produced in Chinasound Insulation Doorsmetal Doorsliding ... [Dec 08, 2025]
[Dec 08, 2025] Soundproof door A soundproof door refers to a door that adopts a multi-layer composite, special sound insulation structure, is filled with professional sound insulation materials such as damping sound insulation boards ...
Company: Nanjing Bohong Environmental Protection Technology Co., Ltd.
3928. Supply Steel Sound Nsulation Fireproof Doors [Dec 08, 2025]
[Dec 08, 2025] Soundproof door A soundproof door refers to a door that adopts a multi-layer composite, special sound insulation structure, is filled with professional sound insulation materials such as damping sound insulation boards ...
Company: Nanjing Bohong Environmental Protection Technology Co., Ltd.
3929. Steel Sound Acoustic Doors Produced in Chinasound Insulation Doorsdouble Soundproof Dooraluminium ... [Dec 08, 2025]
[Dec 08, 2025] Soundproof door A soundproof door refers to a door that adopts a multi-layer composite, special sound insulation structure, is filled with professional sound insulation materials such as damping sound insulation boards ...
Company: Nanjing Bohong Environmental Protection Technology Co., Ltd.
3930. Custom Metal Soundproof Doors for Equipment Rooms [Dec 08, 2025]
[Dec 08, 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.
