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View Product DetailsIn modern architectural, industrial manufacturing, and cold-chain infrastructure design, managing acoustic pollution while guaranteeing ultra-low thermal transmittance has evolved from a regulatory requirement into a primary structural performance benchmark. China Acoustic Sandwich Panels Manufacturers & Exporters stand at the global forefront of this paradigm shift, offering custom-engineered modular cladding solutions that integrate high Sound Transmission Class (STC) acoustic dampening, sound absorption, fire integrity, and thermal insulation into single-pass architectural wall and roof systems.
As industrial operations expand and noise mitigation standards such as ISO 14001, OSHA noise exposure limits, and EN ISO 11654 become strictly enforced worldwide, facility engineers and global EPC contractors increasingly rely on Chinese manufacturing hubs. Leading enterprises, such as Shaanxi YuanShengHeTong Refrigeration Equipment Co., Ltd., have synthesized over two decades of thermal engineering expertise with micro-perforated acoustic skin technologies, delivering sandwich panel systems tailored for high-vibration engine rooms, cold storage compressor houses, logistics hubs, and industrial cleanrooms.
Technical Insight (Information Gain): Acoustic sandwich panels function on a dual-barrier principle. Micro-perforated metallic facings allow airborne sound waves to penetrate into high-density mineral wool or specialized polyisocyanurate (PIR/PUR) cores, converting sound wave kinetic energy into microscopic thermal energy via viscoelastic friction. Concurrently, solid outer steel facings reflect residual low-frequency sound energy, achieving composite Sound Reduction Index (Rw) values between 32 dB and 48 dB.
To assist global procurement officers and structural engineers in specifying optimal cladding systems, the table below delineates the structural and acoustic parameters across core material variations produced in automated Chinese manufacturing lines:
| Panel Core Type | Sound Reduction Index (Rw / STC) | Noise Reduction Coeff. (NRC) | Thermal Conductivity ($\lambda$) | Fire Resistance Rating |
|---|---|---|---|---|
| Micro-Perforated Mineral Wool | 35 dB - 48 dB | 0.85 - 0.95 (Class A) | 0.038 - 0.044 W/m·K | Class A1 (Non-Combustible) |
| High-Density PIR (Polyisocyanurate) | 28 dB - 34 dB | 0.15 - 0.30 | 0.019 - 0.022 W/m·K | Class B-s1, d0 / FM Approved |
| Composite PUR Acoustic Core | 30 dB - 36 dB | 0.40 - 0.65 | 0.021 - 0.024 W/m·K | Class B1 / B2 |
| Hybrid Acoustic Rockwool-PIR | 38 dB - 46 dB | 0.75 - 0.90 (Class B/A) | 0.026 - 0.032 W/m·K | Class A2 - B-s1, d0 |
A pioneer in China's thermal and acoustic insulation industry with over 20 years of continuous innovation, continuous automation, and international trade footprint.
Shaanxi YuanShengHeTong Refrigeration Co., Ltd. is a professional factory and enterprise focusing on insulation panels and refrigeration equipment. Besides product manufacture, we also provide services like project design, construction, installation, as well as after-sales service.
We integrate "high quality products, one-stop project solution, engineering advanced services, and international trade" to provide customers with excellent products and satisfied services. Our involved professional fields include refrigeration of fruits, vegetables, food industry; also refrigeration of large supermarkets, restaurants, hotels, medical and logistics companies etc.
Our business in refrigeration fields started in 1996, with more than 20 years experience in refrigeration industry, we are confident in our professionality. And our factory is specializing in refrigeration manufacturing and technology. With about 180 workers and 10 QC team, the quality and efficiency are guaranteed of our products. And we are always aiming for higher quality products and better service.
Now, the factory has an existing production site of 60,000 square meters, 4 standardized workshops, high quality and efficient production equipment, as well as advanced production lines and techniques. Our factory mainly produces PIR(Polyisocyanurate) and PU(Polyurethane) sandwich panels, acoustic insulated cladding panels, cold storage doors, air coolers, condensers, condensing units, compressor units etc.
Strategic economic and technological vectors driving China's dominance in high-performance sound dampening wall and roof panel exports.
Chinese manufacturers leverage direct cluster integration with top-tier steel mills and polymer chemical suppliers (PIR/PUR reactants), eliminating raw material bottlenecks and maintaining consistent steel coil tolerance standards.
State-of-the-art continuous roll-forming lines feature high-speed CNC punching heads capable of creating staggered perforation patterns (15%-30% open area ratios) without compromising structural skin stiffness or corrosion resistance.
By pairing high-density hydrophobic mineral wool cores (100–140 kg/m³) or flame-retardant PIR foam with micro-rib facial profiling, China-manufactured acoustic panels achieve exceptional wind load span capabilities up to 6 meters.
Mass production capabilities across automated 150-meter-long continuous double-belt presses drastically lower per-square-meter manufacturing overheads, translating to a 20%-35% total project cost reduction for international EPC clients.
From pre-painted galvanized steel (PPGI) and aluminum-zinc alloys (Galvalume) to 304/316 stainless steel skins for corrosive food-processing environments, factory customization covers all extreme operational criteria.
Key technological transformations driving the next decade of acoustic enclosure design and high-efficiency building envelopes.
Traditional acoustic panels focused primarily on high-frequency noise absorption using porous rockwool. The modern trend integrates hybrid core structures—combining viscoelastic acoustic dampening membranes sandwiched between micro-perforated PIR layers and basalt rockwool fiber matrices. This hybrid architecture targets both low-frequency hums from heavy machinery (below 250 Hz) and high-frequency aerodynamic noise (above 2000 Hz).
With international green building standards such as LEED v4.1 and BREEAM dictating structural sustainability, Chinese exporters are transitioning to zero-ODP (Ozone Depletion Potential) and ultra-low GWP (Global Warming Potential) blowing agents (such as Hydrofluoroolefins - HFOs). Furthermore, eco-friendly acoustic non-woven scrims backed behind perforated metal facings ensure zero fiber migration into sensitive cleanroom air streams.
Acoustic leaks frequently occur at panel joint interfaces. Recent innovations feature factory-installed male-female overlapping joints embedded with high-density cam-locking mechanisms and continuous EPDM double-gaskets. This continuous air-tight seal prevents both sound flanging bypass and thermal bridging in high-temperature or cold-storage environments.
Leading exporters now provide comprehensive Building Information Modeling (BIM) files and precut panel kits. Panels are engineered to millimeter-level accuracy directly from CAD drawings, complete with factory-formed door cutouts, duct penetrations, and edge trim profiles, drastically reducing job-site installation labor and material waste.
Engineering customized acoustic-thermal envelopes across critical infrastructure sectors globally.
Large-scale refrigeration facilities utilize high-power screw compressors and condensing units (such as Shaanxi YuanShengHeTong's FNH and FVB series) that emit airborne sound levels exceeding 95 dBA. Perforated acoustic PIR panels reduce indoor sound reverberation while maintaining total thermal isolation.
Heavy machinery enclosures built with acoustic sandwich panels isolate low-frequency rumble, ensuring surrounding commercial spaces or office headquarters satisfy municipal nighttime noise regulations without requiring bulky secondary concrete walls.
Semiconductor fabrication plants and automated assembly lines require dust-free environments alongside acoustic containment. Smooth, anti-static, micro-perforated cleanroom acoustic panels prevent standing sound waves that affect delicate robotic sensor calibration.
Located near high-density metropolitan peripheries, automated logistics centers utilize acoustic roof and exterior wall sandwich panel systems to mitigate cross-border dock noise pollution during 24/7 loading operations.
Our milestone timeline demonstrating continuous manufacturing scale-up, automation integration, and technical growth.
All products undergo stringent ISO 9001 quality audits and hold CE certificates for international compliance.
A step-by-step technical checklist for B2B procurement managers sourcing acoustic and insulation panels from China.
When specifying acoustic sandwich panels for international projects, procurement directors must evaluate technical parameters beyond basic core thickness. To guarantee long-term operational performance, inspect the following critical structural variables:
Standard acoustic absorption requires micro-perforations between 1.5mm to 3.0mm in diameter, arranged in a 60-degree staggered layout. Verify that the open area ratio matches your project's target Noise Reduction Coefficient (NRC > 0.80).
Ensure that an acoustically transparent, high-tensile non-woven black tissue is hot-melt bonded between the perforated steel sheet and the mineral wool core. This prevents fiber erosion under high air velocities (up to 20 m/s).
For seaside or high-humidity facilities, specify continuous hot-dip galvanized steel with AZ150 Galvalume coating or PVDF (Polyvinylidene Fluoride) topcoats to ensure 25+ years of resistance against coastal salt spray.
Panels should be shrink-wrapped with PE protective film, fitted with reinforced corner guards, and loaded onto wooden pallets configured specifically for 40ft HQ container clearance to prevent transit edge crimping.
Direct technical answers addressing key technical and sourcing queries from international engineers and project managers.
Explore our complete manufacturing lineup including PUR/PIR sandwich panels, condensing units, and cold storage heat exchangers.
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