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The sandwich panel is used to enclose walls with hidden screws, or the tongue and groove fasteners system is an inexpensive panel that comes in different thicknesses install in buildings such as warehouses, houses, porches, interior partitions, etc.

  • Combines the advantages of rockwool and polyurethane. At the same time, it has the non-flammability of rock wool material and the high-quality thermal insulation performance of polyurethane material. The unique polyurethane edge enhances the tightness of the plate, waterproof, moisture-proof, sand-proof and durable.

    Rock wool Sandwich Roof Panel with PU Sealing

    Combines the advantages of rockwool and polyurethane. At the same time, it has the non-flammability of rock wool material and the high-quality thermal insulation performance of polyurethane material. The unique polyurethane edge enhances the tightness of the plate, waterproof, moisture-proof, sand-proof and durable.

    Rock wool Sandwich Roof Panel with PU Sealing
  • PU/PIR roofing panels deliver exceptional 0.02W/(m·K) thermal efficiency with EN 13501-1 fire certification. These lightweight (40kg/m²) panels feature concealed fasteners for weatherproof performance, reducing cooling costs by 35% in warehouses and factories.

    PU PIR Roofing Sandwich Panel

    PU/PIR roofing panels deliver exceptional 0.02W/(m·K) thermal efficiency with EN 13501-1 fire certification. These lightweight (40kg/m²) panels feature concealed fasteners for weatherproof performance, reducing cooling costs by 35% in warehouses and factories.

    PU PIR Roofing Sandwich Panel
  • Expandable Polystyrene EPS Sandwich Roof Panels offer lightweight thermal insulation and cost-effective roofing. With an EPS core for energy efficiency and metal sheets for durability, they’re ideal for residential and commercial roofs. These panels ensure easy installation, weather resistance, and eco-friendly performance, delivering reliable, long-lasting protection.

    Expandable Polystyrene EPS Sandwich Roof Panel

    Expandable Polystyrene EPS Sandwich Roof Panels offer lightweight thermal insulation and cost-effective roofing. With an EPS core for energy efficiency and metal sheets for durability, they’re ideal for residential and commercial roofs. These panels ensure easy installation, weather resistance, and eco-friendly performance, delivering reliable, long-lasting protection.

    Expandable Polystyrene EPS Sandwich Roof Panel
  • Our meticulously crafted clean room panels feature seamless joints, anti-microbial surfaces, and airtight seals for ISO-certified sterile spaces. Ideal for pharma labs, hospitals, and electronics manufacturing. Fireproof, durable, and easy to install with superior particle containment.

    Handmade Clean Room Sandwich Panel

    Our meticulously crafted clean room panels feature seamless joints, anti-microbial surfaces, and airtight seals for ISO-certified sterile spaces. Ideal for pharma labs, hospitals, and electronics manufacturing. Fireproof, durable, and easy to install with superior particle containment.

    Handmade Clean Room Sandwich Panel
  • Rock wool Wall Sandwich Panel with PU Sealing offer superior fire resistance, excellent thermal insulation, and soundproofing. Featuring a lightweight, durable design with PU sealing, they ensure easy installation and corrosion resistance, ideal for energy-efficient, safe buildings.

    Rock Wool Wall Sandwich Panel with PU Sealing

    Rock wool Wall Sandwich Panel with PU Sealing offer superior fire resistance, excellent thermal insulation, and soundproofing. Featuring a lightweight, durable design with PU sealing, they ensure easy installation and corrosion resistance, ideal for energy-efficient, safe buildings.

    Rock Wool Wall Sandwich Panel with PU Sealing
  • Excellent insulation performance, lightweight texture, easy installation, and excellent decorative, can mimic a variety of textures and shapes. And has good water resistance and corrosion resistance, can be maintained for a long time.

    PU Polyurethane Sandwich Wall Panel

    Excellent insulation performance, lightweight texture, easy installation, and excellent decorative, can mimic a variety of textures and shapes. And has good water resistance and corrosion resistance, can be maintained for a long time.

    PU Polyurethane Sandwich Wall Panel

About Us

CHENGDU PROPANEL TECH CO., LTD

PROPANEL, based in Chengdu, China, specializes in high-performance sandwich panels for industrial, cold chain, and modular buildings. With 15+ years of expertise, we export globally, ensuring precision manufacturing, quality control, and excellent customer service...
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    Years of Experience

    Why Choose Us

    We're Best For Construction Industrial Solution.

  • High thermal insulation
    01

    The thermal insulation of the polyurethane sandwich panel is the highest on the market with a density of 40kg/m3.

  • Easy to install
    02

    As simple as positioning and screwing the panel to the existing structure. And if you need help, we give you a free manual!

  • Careful esthetic
    03

    We take care of every detail in the manufacture of the panel with continuous quality controls throughout the process until shipment.

  • Guaranteed quality
    04

    All our panels offer maximum quality and durability for decades.

  • Have You Any Question?
    Don't Waste a Second! Call Us
    Moke a Call +86 18854396600

OUR PROFESSIONAL SERVICES

All our Sandwich Panels have exclusive assembly guides. In addition, we have a technical department to solve your doubts and we calculate the necessary elements for its correct assembly and installation.

Latest News

The magnificent performance of the Sandwich Panel has been a revolution in the construction sector. Among them, its insulation capacity stands out. Discover in this post which are the types of insulating materials we work with, in which panels they are found and much more.
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16July
Propanel Successfully Delivers Sandwich Panels for Russian Industrial Project

Leading Chinese sandwich panel manufacturer Propanel has successfully completed production and delivery of specialized wall and roof sandwich panels for a major Russian industrial facility. The project showcased Propanel's expertise in manufacturing high-performance rock wool sandwich panels with PU sealing technology, demonstrating the company's commitment to becoming China's premier metal sandwich panel solution provider. This achievement reinforces Propanel's position as a trusted partner for international construction projects requiring advanced building materials.   Advanced Rock Wool Sandwich Panel Technology Meets Strict Russian Standards The centerpiece of this project involved manufacturing rock wool sandwich panels with polyurethane sealing systems, specifically engineered for Russia's demanding climate conditions. These panels feature superior thermal insulation properties, fire resistance capabilities, and exceptional structural integrity essential for industrial applications. The rock wool core provides excellent sound dampening and moisture resistance, while the PU sealing technology ensures airtight performance and long-term durability in harsh weather environments.   Custom Color Steel Production Demonstrates Manufacturing Flexibility To meet the client's specific aesthetic requirements, Propanel coordinated extensively with steel suppliers to produce custom-colored steel sheets matching exact specifications. This collaborative approach involved precise color matching, quality control testing, and production scheduling to ensure seamless integration with the overall project timeline. The successful completion of this custom manufacturing process highlights Propanel's ability to adapt to unique client demands while maintaining strict quality standards throughout the production cycle.   Efficient Logistics and Shipping Coordination Ensures Timely Project Delivery Propanel's logistics team worked closely with the client's freight forwarders to optimize packaging and shipping procedures for the Russian destination. The company implemented specialized packaging techniques to protect the sandwich panels during international transport, ensuring damage-free delivery despite the long-distance shipping requirements. This comprehensive logistics approach included container loading supervision, documentation management, and real-time tracking systems to provide complete transparency throughout the shipping process.   Strategic Partnership Strengthens Propanel's International Market Position This successful Russian project completion demonstrates Propanel's growing influence in the global sandwich panel market and reinforces the company's reputation for delivering exceptional customer service. The project's success opens new opportunities for expansion into Eastern European markets while showcasing Propanel's technical capabilities and manufacturing excellence. By consistently exceeding client expectations and maintaining superior product quality, Propanel continues to establish itself as the preferred choice for international sandwich panel solutions.

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30June
Chicago Client Project: PU Panel Shipment Announcement

We are thrilled to announce the successful packing and shipment of PU sandwich panels for our esteemed Chicago client’s project. These high-quality PU panels, featuring a robust polyurethane core sandwiched between durable metal sheets, are engineered for superior thermal insulation and structural integrity. Designed to meet stringent standards, each PU panel ensures energy efficiency and durability, ideal for the client’s commercial construction needs.   The shipment includes PU panels in various thicknesses, tailored to the project’s specifications for walls and roofing. Each panel is CE-certified, guaranteeing compliance with international safety and performance standards. Carefully packed to ensure safe transit, the PU panels are now en route to Chicago, ready to support the construction of a state-of-the-art facility.   We take pride in delivering top-tier PU panel solutions, contributing to sustainable and efficient building systems. Our team remains committed to supporting the Chicago project with timely delivery and exceptional service. Stay tuned for updates on the project’s progress!

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23June
Propanel Employees Enhance Export Expertise at Sinosure Training

On June 12, 2025, Propanel's entire workforce convened in Langfang, Hebei, for an insightful training session on Sinosure, China's export credit insurance agency. Organized by the group, this event aimed to bolster the company's metal sandwich panel export capabilities amid growing global demand.   Pan Shares Practical Insights The session kicked off with Manager Pan delivering a compelling overview of Propanel's use of Sinosure from 2020 to 2025. Through real-world examples, she illustrated its value. In one case, Sinosure helped recover funds when an overseas client delayed payment, safeguarding Propanel's cash flow. Another instance showed how meticulous documentation prevented losses from a buyer's insolvency. Pan emphasized the importance of understanding policy details and preparing thorough claims, making the session practical and relatable for employees.   Shen Explains Sinosure's Scope Next, Sinosure's Shen took the stage, offering a clear breakdown of the agency's role. He explained that Sinosure protects exporters against risks like buyer non-payment due to commercial issues (e.g., bankruptcy) or political disruptions (e.g., policy changes). Shen outlined the claims process, stressing timely submissions within specified deadlines. Citing data, he noted Sinosure has saved Chinese exporters billions in losses, reinforcing its reliability. His talk was comprehensive yet accessible, equipping staff with actionable knowledge.   Metal sandwich Panels: Propanel's Core Product Propanel's metal sandwich panels are lightweight, durable, and eco-friendly, consisting of two metal sheets bonded with a core, such as polyethylene or fire-resistant materials. Widely used for building facades, roofs, and partitions, they offer insulation and aesthetic appeal. Produced with sustainable practices, these panels are exported to over 30 countries, primarily Europe and North America. Propanel is now targeting Southeast Asia and Africa, where infrastructure growth fuels demand for quality building materials. The company attends global trade shows and partners with local distributors to penetrate these markets, with Sinosure's support reducing risks.   Liu's Strategic Vision Group Chairman Liu wrapped up the event with a forward-looking speech. He praised Sinosure as a “safety net” for Propanel's international ventures, particularly for sandwich panel exports. Liu shared plans to expand into high-growth regions, leveraging Sinosure to navigate trade uncertainties. His vision inspired confidence, aligning employees with the company's global ambitions.   Learning and Bonding The training enriched employees' understanding of export risk management and strengthened team unity. The day concluded with a lively group dinner, where staff shared insights and built camaraderie. This blend of learning and bonding left everyone motivated for future challenges.   Looking Ahead Propanel is committed to innovation, developing advanced, energy-efficient panels to meet evolving market needs. With Sinosure's backing, the company is poised to grow its global footprint, solidifying its position in the metal sandwich panel industry.

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PROPANEL, based in Chengdu, China, specializes in high-performance sandwich panels for industrial, cold chain, and modular buildings. With 15+ years of expertise, we export globally, ensuring precision manufacturing, quality control, and excellent customer service...
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