Success Stories
Customized noise reduction solutions for 500+ manufacturers, widely recognized by customers.
ManufacturingAutomotive Parts Manufacturing Company
Noise Reduction Project for Stamping Workshop
Technical Challenges:Stamping equipment generates noise up to 95 dB during operation, severely impacting the surrounding environment and employee health.
Solution:Use a combination of custom soundproof enclosures and acoustic louvers to isolate major noise sources.
Implementation Results:Plant boundary noise was reduced from 78 dB to 52 dB, achieving a noise reduction of 26 dB and passing environmental acceptance inspection.
Automotive IndustryA leading automotive parts supplier
Acoustic Test Chamber for EV HVAC Components
Technical Challenges:Acoustic performance testing and fault diagnosis for components such as air conditioning compressors and blowers must be conducted in low background noise environments.
Solution:Design and build a dedicated test anechoic chamber equipped with a constant temperature and humidity control system and interfaces for precision acoustic measurement equipment.
Implementation Results:Background noise reduced to 30dB(A), test data accuracy improved by 35%, and product development cycle shortened by 20%.
Chemical IndustryA chemical enterprise
Compressor Room Noise Reduction Project
Technical Challenges:Multiple compressors running simultaneously cause workshop noise exceeding 100 dB.
Solution:Complete soundproof enclosure with integrated ventilation and cooling system
Implementation Results:Noise outside the workshop reduced by 40 dB, significantly improving the work environment.
Automotive IndustryAutomotive R&D Center
Anechoic chamber construction for NVH testing
Technical Challenges:A semi-anechoic chamber meeting international standards is required for vehicle NVH testing.
Solution:Build a large semi-anechoic chamber with a cutoff frequency of 8 Hz and background noise ≤ 15dB(A).
Implementation Results:Third-party certified to meet full-vehicle NVH testing requirements.
Automotive IndustryAn EV manufacturer
New Energy Vehicle Seat Test Anechoic Chamber
Technical Challenges:Seat adjustment motors, heating and ventilation systems, and other components must undergo acoustic testing in ultra-low background noise environments with a background noise level ≤ 25dB(A).
Solution:Build a high-specification silent test chamber with multi-layer composite soundproofing, floating floor design, and ultra-quiet ventilation system.
Implementation Results:Background noise reduced to 23dB(A), meeting precise seat NVH testing requirements and significantly enhancing product acoustic quality.
ManufacturingA certain mechanical processing enterprise
Overall noise reduction for CNC workshop
Technical Challenges:Noise levels exceed limits with dozens of CNC machines running simultaneously.
Solution:Combined Solution: Partition Soundproofing, Equipment Acoustic Enclosures, and Sound-Absorbing Ceiling
Implementation Results:Average workshop noise decreased from 88 dB to 62 dB.
Power IndustryA substation
Transformer Noise Control
Technical Challenges:Main transformer low-frequency noise disturbs residents; traditional soundproofing measures have limited effectiveness.
Solution:Low-frequency sound barrier combined with sound-absorbing enclosure
Implementation Results:Sensitive point noise reduced by 18dB; complaint resolved.
Residential BuildingA Five-Star Hotel
Hotel HVAC Plant Noise Control Project
Technical Challenges:Roof-top AC unit noise disturbs top-floor guest rest; frequent complaints at night.
Solution:Custom soundproof room with silencing louver ventilation system, installed on a vibration-damping base.
Implementation Results:Room noise reduced from 52dB to 35dB, meeting national hotel acoustic standards.
Residential BuildingA high-end residential community
Acoustic retrofit of elevator shafts in residential buildings
Technical Challenges:Structural noise from elevator operation affects neighboring units, especially at night.
Solution:Install sound-absorbing materials and elastic vibration isolation pads on the interior walls of elevator shafts to block solid-borne noise transmission.
Implementation Results:Adjacent indoor noise reduced by 22 dB, with a significant boost in homeowner satisfaction.
Energy CenterUrban District Energy Station
Overall Noise Reduction Project for Energy Station Boiler Room
Technical Challenges:Multiple large gas-fired boilers and circulation pumps operating simultaneously caused noise levels exceeding 105 dB in the boiler room, affecting nearby residential areas.
Solution:Features an integrated soundproof enclosure design with a comprehensive solution combining silent louver ventilation, in-line silencers, and spring isolators.
Implementation Results:Site boundary noise reduced from 75 dB to 48 dB, fully complying with the "Emission Standard of Industrial Enterprise Boundary Environmental Noise."
Data CenterA cloud computing data center
Data Center Cooling System Noise Reduction Retrofit
Technical Challenges:High noise from precision air conditioning cooling towers and chillers is affecting the working environment for operations staff and nearby office areas.
Solution:Install sound barriers on cooling towers and air intake/exhaust silencers; provide custom acoustic enclosures for chillers with vibration isolation bases.
Implementation Results:Equipment zone noise reduced from 88dB to 55dB, meeting the acoustic environment requirements for data center operations.