An in-depth analysis of why the 40mm specification is becoming the global standard for industrial cladding and modular construction.
The 40mm sandwich panel serves as the "Golden Middle" in the global construction industry. Unlike thicker panels designed for extreme sub-zero cold storage, the 40mm variant is optimized for industrial wall cladding, roofing, and ambient-controlled warehouses. With the rise of E-commerce fulfillment centers globally, the demand for lightweight yet thermally efficient panels has surged by 15% annually.
In Southeast Asia, 40mm panels are widely used for humidity control in electronics manufacturing. In Europe and North America, they dominate the "last-mile" logistics hub market where rapid assembly and fire safety (PIR core) are non-negotiable requirements. From prefab offices to cleanrooms for pharmaceutical production, the versatility of the 40mm profile is unmatched.
Modern global enterprises are moving away from simple "product purchasing" toward "system integration." Buyers now look for "One-Stop Solutions" that include cam-lock mechanisms for easy installation, FM-approved fire ratings, and integrated refrigeration compatibility. Shaanxi YuanShengHeTong meets this demand by bridging the gap between panel manufacturing and complete refrigeration engineering.
How Shaanxi YuanShengHeTong redefines efficiency through technology and scale.
Efficiency through Automation: Our facility in Shaanxi utilizes state-of-the-art automatic split-joint production lines. This technology ensures that every 40mm sandwich panel produced has consistent density and perfect tongue-and-groove alignment, reducing on-site installation time by up to 30% compared to traditional manual methods.
Quality Control (QC) Rigor: With a dedicated 10-person QC team, we monitor every stage of production—from the raw chemical injection of the PIR/PUR core to the precision of the galvanized steel skin. This meticulous approach is why our products are trusted in high-stakes environments like medical logistics and large-scale food processing plants.
Sustainability Commitment: Since 2023, we have transitioned toward eco-friendly manufacturing. Our panels use blowing agents with zero ODP (Ozone Depletion Potential), helping our global clients meet their ESG (Environmental, Social, and Governance) targets while maintaining superior insulation properties.
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.
From a local startup in 1996 to a global leader in refrigeration technology.
Founder started in refrigeration equipment marketing and installation.
First factory completed in Shaanxi, producing cam-lock sandwich panels.
LanZhou factory completed, covering the whole North-West China market.
Relocated to 120-acre area with 8 advanced workshops.
Input first automatic split-joint production line for high precision.
Second advanced automatic line operational, reaching peak productivity.
Transformed into an eco-friendly factory focused on sustainability.
Bridging the gap between structural integrity and thermal performance.
In the 40mm specification, the choice between Polyurethane (PUR) and Polyisocyanurate (PIR) is critical. PUR offers exceptional insulation for cost-sensitive projects, while PIR provides superior fire resistance due to its higher ring structure stability. Our 40mm PIR panels achieve a B1 or B2 fire rating, essential for modern building codes in Europe and Australia.
Despite its slim profile, a 40mm sandwich panel manufactured via our automatic split-joint line offers surprising structural strength. The high-density core (40-42 kg/m³) provides a rigid support that allows for larger purlin spacing, reducing the overall cost of the secondary steel structure.
With a K-value as low as 0.022 W/m·K, our 40mm panels outperform traditional brick walls of 500mm thickness. This "Thin-Wall" advantage maximizes the internal floor area of your facility, directly increasing your ROI (Return on Investment) for commercial warehousing.
For coastal or high-humidity environments, we offer specialized coatings (PVDF or HDP) on the steel skins of our 40mm panels, ensuring a service life exceeding 20 years without degradation.
Our commitment to quality is backed by international certifications.








Expert insights into 40mm sandwich panel procurement and application.
40mm is ideal for processed food workshops, cleanrooms, and fruit storage where temperatures remain between 5°C to 15°C. For deep-freeze applications (-18°C), we recommend 100mm to 150mm panels.
With high-quality Shaanxi YuanShengHeTong manufacturing, our panels last 20-30 years. The longevity depends on the steel skin coating (PE, SMP, or PVDF) chosen for the local climate.
Cam-lock panels feature a built-in mechanical locking system that pulls panels tight together, creating a superior airtight seal, which is critical for cold storage and cleanroom integrity.
Yes, we offer 40mm roof-specific panels with corrugated outer skins to handle snow and rain loads while providing excellent thermal insulation.
We use specialized protective packaging and high-cube containers to prevent edge damage during transit. Our logistics team handles all export documentation for seamless delivery.
Thanks to our dual automatic production lines, we typically fulfill large-scale orders within 15-20 days after design confirmation.