CE Certification Polyurethane Sandwich Panel Manufacturer

Providing High-Performance Thermal Insulation Solutions & Advanced Refrigeration Equipment for Global Infrastructure since 1996.

White Paper: The Science of High-Performance Insulation

A Comprehensive Guide to CE-Certified Polyurethane (PU/PIR) Sandwich Panels

1. Engineering Excellence: The Core of Polyurethane (PU/PIR) Technology

In the modern era of sustainable construction, Polyurethane (PU) and Polyisocyanurate (PIR) sandwich panels represent the pinnacle of thermal management. As a leading manufacturer, Shaanxi YuanShengHeTong integrates advanced chemical formulations to produce panels that offer the lowest thermal conductivity (λ values) in the industry.

Unlike traditional mineral wool or EPS, our PU panels utilize a closed-cell structure (over 95%) which prevents moisture absorption and maintains insulating properties for decades. This "Information Gain" is critical for procurement officers: when you choose CE-certified panels, you are investing in a thermal bridge-free system that reduces energy consumption by up to 40% in cold storage and industrial facilities.

Fire Resistance (PIR)

Our PIR panels are engineered with high-density foam that chars upon contact with fire, creating a protective layer that inhibits flame spread, meeting stringent European safety standards.

Mechanical Cam-Lock

For modular cold rooms, our precision-engineered cam-lock systems ensure airtight joints, essential for medical and food-grade environments.

Structural Integrity

With high-grade galvanized steel skins, our panels offer superior wind load resistance and durability against seismic activities.

2. China Factory Supply Chain: The Global Competitive Edge

Why source from China? The advantage extends beyond cost. Our 60,000 sqm facility in Shaanxi leverages a mature ecosystem of raw material suppliers and logistical hubs. As a "One-Belt-One-Road" strategic partner, we offer global enterprises:

  • Vertical Integration: We control the process from chemical foaming to final sheet metal forming.
  • Rapid Scaling: Our dual automatic production lines (installed in 2018 and 2020) ensure we can meet high-volume demands for large-scale logistics parks.
  • Quality Control: Our 10-person QC team monitors every batch, ensuring CE compliance from raw material to shipping.

About Shaanxi YuanShengHeTong

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 business in refrigeration fields started in 1996, with more than 20 years experience in refrigeration industry, we are confident in our professionality.

27+

Years Experience

60k

Sqm Factory Space

180+

Skilled Workers

10

QC Specialists

Evolution of Excellence (1996 - Present)

1996: Founder started in refrigeration marketing and installation.
2006: First factory completed in Shaanxi; produced first cam-lock panels.
2012: Relocation to 120-acre facility with 8 advanced workshops.
2018: First automatic split-joint production line operational.
2023: Transformation into a sustainable, eco-friendly green factory.

Global Compliance & Localized Support

European Markets (CE Compliance)

Full adherence to EN 14509 standards, ensuring thermal, mechanical, and fire safety requirements for EU-based contractors.

Tropical Climates (Anti-Corrosion)

Specialized PVDF and high-durability coatings for high-humidity coastal regions in SE Asia and Africa.

Smart Cold Chain (Data Driven)

Integration with IoT-ready refrigeration units to provide real-time monitoring of insulation performance.

Supporting diverse sectors: Large Supermarkets, Pharmaceutical Logistics, Agricultural Storage, and Food Processing Plants.

Frequently Asked Questions

What is the difference between PU and PIR panels?

PU (Polyurethane) offers excellent insulation. PIR (Polyisocyanurate) is an upgraded version with enhanced fire-retardant properties, making it the preferred choice for high-safety industrial buildings.

Does the factory provide customized panel thicknesses?

Yes. We manufacture panels from 50mm to 200mm thickness to meet specific R-value requirements for both chillers and deep-freeze environments (-40°C).

How do you ensure the quality of export orders?

Every order undergoes a multi-stage QC process, including core density tests, adhesion strength tests, and dimensional accuracy checks prior to seaworthy packaging.

Can you provide a full refrigeration project design?

Absolutely. Beyond manufacturing, Shaanxi YuanShengHeTong provides one-stop engineering solutions including design, equipment selection (compressors, condensers), and installation guidance.

Visualizing Our Production Power