Shaanxi YuanShengHeTong Refrigeration Co., Ltd. is a premier OEM 75mm sandwich panel manufacturer and integrated enterprise focusing on high-performance insulation and refrigeration technology. Since our inception in 1996, we have transitioned from a local equipment provider to a global authority in the refrigeration field.
Our operation integrates "One-Stop Project Solutions," spanning from initial design and high-tech manufacturing to professional installation and meticulous after-sales support. We serve critical sectors including food processing (fruits, vegetables, meat), large-scale supermarket chains, five-star hospitality, medical laboratories, and international logistics hubs.
Our facility boasts 4 standardized workshops equipped with Industry 4.0 automatic split-joint production lines. This allows us to maintain a daily capacity that meets the aggressive lead times required by global procurement agencies.
The 75mm sandwich panel has emerged as the "Golden Standard" for a variety of medium-temperature applications. Historically, industrial construction relied on thicker, heavier materials, but advancements in chemical engineering—specifically the transition from PUR (Polyurethane) to PIR (Polyisocyanurate)—have allowed for thinner profiles to achieve superior thermal resistance.
75mm panels offer an ideal strength-to-weight ratio, reducing the load on steel structures while maintaining rigid wind resistance and seismic stability.
Modern 75mm PIR panels are engineered for high flame retardancy (Class B1/B2), meeting international safety standards for industrial facilities.
With a Lambda value as low as 0.019 W/m·K, our panels minimize thermal bridging, ensuring zero-degree environments remain stable.
As the global cold chain market is projected to grow at a CAGR of 15% through 2030, the demand for modular, rapid-deployment insulation is skyrocketing. Procurement officers in Southeast Asia, the Middle East, and Europe are increasingly seeking OEM 75mm sandwich panel manufacturers who can provide customized skin materials (such as stainless steel 304 or anti-bacterial coatings) to meet localized health and safety regulations.
In an era of global volatility, Shaanxi YuanShengHeTong stands as a beacon of efficiency and stability. Our "Factory 4.0" initiative integrates IoT monitoring on our production lines, ensuring that every 75mm panel is manufactured with precision tolerance of ±0.5mm.
27 Years of Engineering Innovation
Foundation: Started in refrigeration equipment marketing and installation.
First Factory: Production of the first generation Cam-lock Sandwich Panels.
Relocation: Moved to a 120-acre facility with 8 advanced workshops.
Automation: Implementation of the first automatic split-joint production line.
Sustainability: Transition to an eco-friendly factory model with green manufacturing protocols.
As a leading OEM 75mm sandwich panel manufacturer, we prioritize Information Gain for our clients. Why choose PIR over PUR? PIR (Polyisocyanurate) is the result of a chemical reaction where the isocyanurate molecules form a much more stable and stronger structure than regular polyurethane. This results in:
| Feature | PUR (Polyurethane) | PIR (Polyisocyanurate) |
|---|---|---|
| Fire Rating | B2 / B3 | B1 / FM Global Compatible |
| K-Value | 0.022 - 0.024 W/mK | 0.019 - 0.021 W/mK |
| Temp Resistance | Up to 100°C | Up to 150°C |
The 75mm panel is ubiquitous in:
YuanShengHeTong
