CE Certification Rock Wool Sandwich Panel Manufacturers & Factory

High-Performance Thermal Insulation, Class A1 Fire-Rating, and Precision Engineering for Global Industrial Infrastructure

Featured Thermal Insulation & Refrigeration Solutions

Explore our high-performance product lineup engineered for optimal temperature control, structural integrity, and energy efficiency.

China Suppliers of Piston, Screw, and Scroll Compressors for Cold Storage

China Suppliers of Piston, Screw, and Scroll Compressors for Cold Storage - Factory Direct Solutions

View Details
China Cold Storage Condenser Evaporator FVB and FU Series

China Cold Storage Condenser Evaporator FVB and FU Series - Reliable Suppliers and Factory Solutions

View Details
China Cold Storage Doors Suppliers

China Cold Storage Doors Suppliers | Insulated Factory Doors for Optimal Temperature Control

View Details
High-Quality FNH Series Cold Storage Condensing Unit

High-Quality FNH Series Cold Storage Condensing Unit - Reliable Cooling Solutions by China Suppliers & Factory

View Details
China Suppliers Factory Condensing Unit with Copeland Compressor

China Suppliers Factory Condensing Unit with Copeland Compressor Air Cooled for Refrigeration Systems

View Details
High-Quality PIR Cold Room Insulation Sandwich Panel

High-Quality PIR Cold Room Insulation Sandwich Panel - High-Performance Solution from China Suppliers

View Details
China Cold Storage Condensing Unit FVB FU Series

China Condensing Unit for Cold Storage Box - FVB & FU Series by Leading Suppliers and Factory

View Details
China Cold Storage Doors Factory

China Cold Storage Doors Factory - Insulated Solutions from Leading Suppliers for Temperature Control

View Details

Global Commercial & Industrial Status of Rock Wool Sandwich Panels

In the modern construction landscape, the demand for sustainable, energy-efficient, and fire-safe building materials has reached unprecedented heights. CE Certified Rock Wool Sandwich Panels represent the pinnacle of composite cladding technology, offering a multi-functional solution that addresses thermal insulation, acoustic dampening, and structural rigidity in a single, prefabricated component.

Globally, the transition toward strict environmental regulations and rigorous building codes—such as the European Green Deal and international fire safety standards (EN 13501-1)—has positioned rock wool as the preferred core insulation material. Unlike organic foam insulations, rock wool (stone wool) is derived from natural volcanic rock (basalt) and recycled slag, making it inherently non-combustible with a melting point exceeding 1000°C. This unique property makes it indispensable for high-risk environments, including chemical processing plants, data centers, logistics hubs, and cleanroom facilities.

Automated Rock Wool Sandwich Panel Production Line

CE Certification Standards & Technical Specifications

Understanding the rigorous compliance metrics required for European and global industrial deployment.

Class A1 Fire Rating

Fully compliant with EN 13501-1 standards. The rock wool core provides zero flame spread and zero smoke generation, acting as a critical fire barrier that protects structural integrity and human life during emergencies.

EN 14509 Compliance

Our panels undergo strict factory production control (FPC) and third-party testing to meet EN 14509 criteria for self-supporting double skin metal faced insulating panels, ensuring structural load-bearing capacity and durability.

Thermal Efficiency

Featuring low thermal conductivity (λ values as low as 0.038 W/m·K), these panels minimize thermal bridging, drastically reducing HVAC energy consumption in large-scale industrial plants and cold storage facilities.

Acoustic Insulation

The fibrous structure of rock wool provides exceptional sound absorption (up to Rw = 35 dB), making it the ideal choice for partitioning noisy machinery zones, generator rooms, and urban industrial developments.

Shaanxi YuanShengHeTong Manufacturing Plant

About Shaanxi YuanShengHeTong Refrigeration Equipment Co., Ltd.

Shaanxi YuanShengHeTong Refrigeration Equipment Co., Ltd.

We are 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.

Our Professional Factory & Efficiency Advantages

Leveraging advanced automation, scale of economy, and strict quality control to deliver premium panels globally.

With about 180 skilled workers and a dedicated 10 QC team, the quality and efficiency are guaranteed for all our products. We are always aiming for higher quality products and better service. Currently, our factory boasts an existing production site of 60,000 square meters, housing 4 standardized workshops equipped with high-quality, efficient production machinery and advanced continuous production lines.

Our factory mainly produces PIR (Polyisocyanurate) and PU (Polyurethane) sandwich panels, rock wool sandwich panels, cold storage doors, air coolers, condensers, condensing units, and compressor units. By utilizing fully automated continuous double-belt production lines, we achieve precise core-to-skin bonding, uniform density distribution, and flawless cutting tolerances. This high level of automation reduces human error, minimizes material waste, and significantly lowers lead times, giving our global clients a distinct competitive advantage in project scheduling and cost management.

60k+
Sqm Factory Area
20+
Years Experience
180+
Skilled Workers
10
QC Specialists
Advanced Continuous Production Line for Rock Wool Panels

Our Development History

A journey of innovation, expansion, and technological advancement since 1996.

1996
Our founder started the business from refrigeration equipment marketing and installation.
2006
With our first factory completed in Shaanxi, we produced our first cam-lock sandwich panels.
2011
The second factory in LanZhou completed, our business started to cover the whole north-west market in China.
2012
Follow with larger business and international business, the Shaanxi factory relocated to a larger fields, now we possess with 120 acers area with 8 advanced workshops.
2018
With more advanced technology in insulation panel industry, we input our first automatic split-joint production line. Here the new chapter begins.
2020
Our second advanced automatic production line put on stream, we reach to a higher productivity and efficiency with better quality.
2023
With the responsibility of sustainability, we are now moving into an eco-friendly factory.

Localized Application Scenarios

Engineered to perform in diverse industrial, commercial, and climate-controlled environments.

Data Centers

Data centers require strict fire protection and thermal stability to protect critical server infrastructure. Our rock wool panels provide Class A1 fire walls and thermal barriers that prevent heat transfer, ensuring optimal cooling efficiency and safety.

Food Processing & Cleanrooms

Hygiene and temperature control are vital in food processing. The smooth, anti-corrosive steel skin of our panels, combined with the inert, moisture-resistant rock wool core, prevents mold growth and stands up to rigorous chemical washdowns.

Logistics & Cold Storage

Large-scale distribution hubs utilize our panels for external cladding and internal partitions. The high structural strength allows for long spans, reducing the need for heavy secondary steel framing while maintaining excellent thermal insulation.

Global Procurement Guide & Quality Certificates

Ensuring compliance, structural integrity, and seamless logistics for international buyers.

When procuring rock wool sandwich panels for international projects, global buyers must evaluate several critical parameters to ensure long-term performance:

  • Core Density: We offer densities ranging from 80 kg/m³ to 150 kg/m³. Higher density ensures superior compressive strength and acoustic insulation.
  • Steel Skin Thickness & Coating: Options range from 0.4 mm to 0.8 mm. Coatings include PE, PVDF, and HDP, selected based on UV exposure and atmospheric corrosivity (C1 to C5 categories).
  • Joint Profile: Tongue-and-groove or hidden-fix joint designs are engineered to ensure air-tightness and water-tightness under wind load conditions.

Our manufacturing processes are fully certified, ensuring that every batch shipped meets international quality, safety, and environmental standards. We work closely with global logistics partners to ensure secure packaging, container loading optimization, and timely delivery to project sites worldwide.

Quality Certificate 1
Quality Certificate 2
Quality Certificate 3
Quality Certificate 4
Quality Certificate 5
Quality Certificate 6

Frequently Asked Questions (FAQ)

Expert answers to common technical, structural, and procurement inquiries.

What is the fire rating of CE certified rock wool sandwich panels?
Our rock wool sandwich panels achieve a Class A1 non-combustible rating according to EN 13501-1. This means they do not contribute to fire growth, do not produce toxic smoke, and can withstand temperatures exceeding 1000°C, providing up to 4 hours of fire resistance depending on panel thickness.
How does rock wool compare to PU/PIR panels?
While PU/PIR panels offer slightly higher thermal resistance (lower lambda value) for a given thickness, rock wool panels offer vastly superior fire performance (Class A1 vs Class B-s1,d0 for PIR) and acoustic insulation. Rock wool is preferred where fire safety regulations are strict and sound dampening is required.
What steel coatings are available for corrosive environments?
We offer standard Polyester (PE), High Durability Polyester (HDP), Polyurethane (PU), and Polyvinylidene Fluoride (PVDF) coatings. For highly corrosive environments (C4 or C5 classes), we recommend PVDF or specialized anti-corrosive coatings to ensure long-term durability.
Can these panels be customized for cleanroom applications?
Yes, we manufacture cleanroom-grade panels featuring flush joints, anti-static coatings, and smooth surfaces that prevent dust accumulation and are easy to sanitize, fully compliant with GMP and ISO cleanroom standards.

Complete Cold Chain & Structural Components

Explore our comprehensive range of evaporators, condensers, and specialized insulation panels.

China Hot Fluorine Defrost Air Cooler Evaporator

China Hot Fluorine Defrost Air Cooler Evaporator for Cold Storage - Reliable Suppliers & Factory Solutions

View Details
China FNH Condenser Evaporator

China FNH Condenser Evaporator for Cold Storage – Reliable Suppliers from a Trusted Factory

View Details
CE Certification FNH Open Type Condenser

CE Certification FNH Open Type Condenser for Cold Storage – Reliable China Suppliers & Factory

View Details
China PUR Sandwich Panels Suppliers

China PUR Sandwich Panels Suppliers - Insulation Solutions for Cold Storage | Factory Direct

View Details
China Cold Storage FNV Series Condenser Evaporator

China Cold Storage Condenser Evaporator FNV Series - China Suppliers and Factory for Efficient Refrigeration

View Details
High-Quality FNH Open Type Condenser

High-Quality FNH Open Type Condenser for Cold Storage - Reliable Cooling Solution from China Suppliers

View Details
China Hot Fluorine Defrost Air Cooler Evaporator

China Hot Fluorine Defrost Air Cooler Evaporator for Cold Storage Factory, Exporter

View Details
High-Quality FNH Condenser Evaporator

High-Quality FNH Condenser Evaporator for Cold Storage Manufacturer, Manufacturers

View Details