Acoustic Engineering

We assess the noise source, operating conditions and performance targets to develop a solution tailored to the actual application.

Integrated Noise Control

Insulation, absorption, ventilation, airflow and vibration are considered together to ensure the complete system performs effectively.

Custom Manufacturing

Acoustic enclosures, silencers, barriers, louvers and doors are custom-built to suit each project’s equipment, space and acoustic requirements.

Global Project Support

We provide drawings, technical coordination, modular design, export packaging and installation guidance from design through delivery.

Acoustic Solutions. Real Projects.

Engineered noise control solutions developed for real sites, real equipment and real project requirements.
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ENGINEERED NOISE CONTROL
Engineered Noise Control Solutions

From equipment and manufacturing plants to battery energy storage systems and data centers, we design practical acoustic solutions for complex operating environments.

  • Equipment Noise Control

  • Plant Noise Control

  • Battery Energy Storage Noise Control

  • Data Center Noise Control

Explore Solutions →
Acoustic Pods for Music Practice, Voice, Recording, Work
Acoustic Pod Solution

From focused work and private calls to vocal training and instrument rehearsal, we create acoustic pods with real sound performance in mind. Backed by our experience in noise control and acoustic engineering, our solutions go beyond standard office pods — with better sound insulation, interior acoustic treatment, quiet ventilation and application-specific layouts.

  • Vocal practice booths for singing, speech and voice-over

  • Music practice booths for guitar, violin, saxophone and more

  • Work pods for focused tasks, studing and private calls

  • Customized instrument rooms with tailored acoustic treatment

Learn More
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Featured Projects

Real projects showing how our acoustic solutions are applied to equipment, sites and working environments.
Plant Noise Control

Boundary Noise Control for a PV Manufacturing Plant

Compressor Noise Control

Compressor and Nitrogen Compressor Soundproof Room

Cooling Tower Noise Control

Cooling Tower Noise Control for a Biopharmaceutical Facility

About Us

Established in 2010 and headquartered in Nanjing, Jiangsu province. Nanjing Huajing Environmental Engineering Co., Ltd. is a technology-driven leader specializing in noise control engineering, acoustic product R&D, and manufacturing. With over a decade of expertise, we have successfully delivered hundreds of projects across the power generation, chemical, machinery, rail transportation, and municipal sectors.

Huajing’s manufacturing network includes our own production facilities and specialized partner factories operating under unified technical and quality requirements.

Our Mission:By integrating proven engineering technologies with our in-house manufacturing capabilities, we deliver effective and cost-efficient noise control solutions. We are committed to helping enterprises achieve green production standards while creating quieter, harmonious environments.

Contact us today for customized solutions and detailed case studies.
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    Factory Area

    Factory land occupation
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    Global Project

    Senior technical engineer
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    Patents and Certificates

    Utility model patent
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    Exporting Countries

    Global customers

Factory & Project Videos

Warmly welcome friends from all walks of life to visit, investigate and negotiate business!
Manufacturing Shop
Sound Barrier Installation Site
Factory Noise Barrier

Certifications, Patents & Test Reports

Official certification, professional after sales service.
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Noise Control Insights

Engineering knowledge, practical solutions, and experience from the field.
Noise Control Beyond The Factory Boundary
Oct 08, 2026
A factory needs to keep producing. The people living nearby need to sleep. Both are reasonable expectations, and nois...
Cooling Tower Noise And The Homes Opposite
Oct 05, 2026
At a hotel in Nanjing, eight rooftop cooling towers faced a residential building. The design problem was specific: re...
Designing Noise Control Into Your Equipment
Oct 02, 2026
An acoustic enclosure or silencer affects the space around the equipment. Air needs a route in and out. Service point...
Design The Access Door Around The Maintenance Task
Sep 29, 2026
Imagine a technician replacing a component inside an acoustic enclosure. The door opens, the technician can step insi...