High-Quality Sandwich Roof Panels Factory & Exporters

Pioneering Next-Generation Thermal Insulation & Sustainable Industrial Building Envelope Solutions Globally.

The Evolution of Industrial Envelope Systems

Decoding the Technical Roadmap & Future Outlook of Sandwich Roof Panels

PIR vs. PUR Advanced Chemistry

Modern industrial requirements demand superior fire resistance. Polyisocyanurate (PIR) technology provides a higher level of thermal stability and lower smoke emission compared to standard Polyurethane (PUR). Our panels utilize a closed-cell structure (95%+), ensuring an R-value that exceeds traditional insulation by 40%.

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Structural Resilience & Load Management

The technical roadmap for 2024-2030 focuses on "Smart Loading." Our high-tensile steel skins (0.5mm - 0.8mm) are engineered for extreme weather resistance, managing wind loads up to 250km/h and significant snow accumulations in northern latitudes.

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Net-Zero Sustainability

Future roofing solutions are moving toward "Passive Cooling." By integrating low-emissivity coatings and recycled core materials, our sandwich panels contribute to LEED and BREEAM certifications, reducing HVAC energy consumption by up to 35% in large-scale warehouses.

27+

Years Experience

60,000㎡

Production Base

10+

Quality QC Experts

100%

Standard Compliance

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.

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. Our factory specializes in refrigeration manufacturing and technology, integrating "high quality products, one-stop project solution, engineering advanced services, and international trade."

China Factory 4.0: Efficiency & Resilience

Why Tier-1 Global Enterprises Choose Our Manufacturing Ecosystem

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Automated Production Lines

Our 60,000 sqm site features two advanced automatic production lines. The 2020 upgrade introduced high-precision split-joint technology, ensuring each PIR/PUR panel has zero-gap thermal insulation performance.

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Supply Chain Stability

Located in the heart of China's industrial belt, we leverage integrated sourcing for raw steel and chemical components, insulating our clients from global price volatility and ensuring 99% on-time delivery.

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Multi-Stage QC Protocol

With a dedicated 10-person QC team, every panel undergoes pressure tests, thermal conductivity validation, and adhesive strength checks before being dispatched to international ports.

Our Development Journey

1996: Founder started business from refrigeration equipment marketing and installation.
2006: First factory completed in Shaanxi; produced first cam-lock sandwich panels.
2011: Second factory in LanZhou completed, covering north-west China market.
2012: Relocation to 120-acre area with 8 advanced workshops.
2018: First automatic split-joint production line introduced.
2020: Second advanced automatic production line put on stream.
2023: Strategic shift towards sustainable, eco-friendly manufacturing.

Macro-Industry Solutions

Bespoke Engineering for Global Sector Demands

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Logistics & Mega-Warehousing

Large-span sandwich roof panels designed for automated storage and retrieval systems (ASRS), offering lightweight solutions that reduce primary structural costs.

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Cold Chain & Food Processing

High-hygiene grade coatings and PIR cores that maintain stable -40°C environments, essential for pharmaceutical and premium food preservation.

EV & High-Tech Manufacturing

Controlled-environment roofing solutions for battery gigafactories and semiconductor cleanrooms, focusing on humidity control and ESD safety.

Localization & Global Compliance

Navigating international building codes is a cornerstone of our service. We provide comprehensive documentation for:

  • CE Marking for European Union compliance.
  • ASTM E84 Fire Testing standards for North American projects.
  • ISO 9001:2015 Quality Management Systems.
  • Localized installation manuals and engineering support in multiple languages.

One-Stop Procurement Benefits

By integrating the entire workflow—from design to after-sales—global enterprises can reduce their procurement cycle by 25%. We manage the logistics, customs clearance, and technical submittals, allowing project managers to focus on site execution.

Certified Excellence

Frequently Asked Questions (FAQ)

Expert Insights into Sandwich Panel Technology

Q1: What is the lifespan of PIR Sandwich Roof Panels in coastal environments?

A: With high-durability coatings like PVDF or HDP (High-Durability Polyester), our panels offer a 25-30 year lifespan even in corrosive coastal environments with C4-C5 corrosion categories.

Q2: How does your factory handle quality control for large-scale international orders?

A: We implement a "Three-Tier QC" process: Raw material verification, Real-time production monitoring on our automated lines, and Final batch sampling for thermal and structural integrity before container loading.

Q3: Can these panels be integrated with solar (PV) mounting systems?

A: Yes, our roof panels are designed with specialized ribs that accommodate PV clips without penetrating the outer skin, maintaining 100% water-tightness while supporting renewable energy goals.

Q4: What is the minimum order quantity (MOQ) for custom color panels?

A: For standard RAL colors, our MOQ is flexible. For specialized custom architectural colors, we typically require 500sqm to ensure batch consistency and cost-efficiency for the client.