Jiangsu Profile
Product List
1771. Metal Material Impedance Composite Mufflers - Reduces Noise by 20 to 30 Decibelsab Dissipative ... 
[May 21, 2026]
[May 21, 2026] Introduction to silencer The mufflers we produce, whether they are resistive mufflers, reactive mufflers, composite mufflers or gas venting mufflers. All materials are uniformly made of high-quality steel plates, ...
Company: Nanjing Bohong Environmental Protection Technology Co., Ltd.
1772. Various Types of Indoor Soundproof Doors, with Customizable Materials, Sizes and Colors [Apr 29, 2026]
[Apr 29, 2026] 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.
1773. Supply Steel Acoustic Fireproof Doorssound Insulation Doorssound Insulation Doorsaluminium Doors [Apr 29, 2026]
[Apr 29, 2026] 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.
1774. Composite Soundproof Door for High-Noise Equipment Rooms - Customizabledouble Soundproof Door [Apr 29, 2026]
[Apr 29, 2026] 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.
1775. Steel Soundproof Fireproof Doors Produced in China [Apr 29, 2026]
[Apr 29, 2026] 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.
1776. Steel Sound-Insulating and Fireproof Door - Industrial Aluminum Sound-Insulating Door [Apr 29, 2026]
[Apr 29, 2026] 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.
1777. Steel Sound Acoustic Door Produced in China [Apr 29, 2026]
[Apr 29, 2026] 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.
1778. Steel Double-Layer Soundproof Doors Industrial Sound-Insulating Metal Door, Can Be Aluminum-Made [Apr 29, 2026]
[Apr 29, 2026] 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.
1779. Steel Soundproof Fireproof Doors Produced in China, Class a Fire Resistance [Apr 29, 2026]
[Apr 29, 2026] 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.
1780. Special Composite Sound Insulation Door for High-Noise Factories [Apr 29, 2026]
[Apr 29, 2026] 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.
1781. Steel Soundproof Doors Produced in Chinasound Insulation Doorssteel Dooraluminium Doors [Apr 29, 2026]
[Apr 29, 2026] 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.
1782. Steel Sound Insulated Fireproof Doors Produced in Chinadouble Soundproof Dooraluminium Doors [Apr 29, 2026]
[Apr 29, 2026] 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.
1783. Steel Sound Acoustic Doors Produced in Chinasound Insulation Doorsdouble Soundproof Dooraluminium ... [Apr 29, 2026]
[Apr 29, 2026] 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.
1784. Soundproof Doors with Various Types of Functions, Custom-Made [Apr 29, 2026]
[Apr 29, 2026] 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.
1785. Steel Soundproof Doors Produced in China Can Insulate 30~45 Decibels of Sound [Apr 29, 2026]
[Apr 29, 2026] 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.
