VARIOUS TYPES OF SANDWICH PANEL

The wall system uses profiled metal panels and sandwich panels as materials. It is beautiful, convenient for installation, and has a reasonable price.

Acoustic System

The acoustic system refers to the secondary treatment of sandwich panels through a special process. It is beautiful and can absorb sound and reduce noise.

Roof System

The roof system uses profiled metal panels and sandwich panels as materials. It is waterproof and has high strength.

Cold Storage System

The cold storage system uses PU/PUR/PIR sandwich panels as materials. It has excellent thermal insulation effect and can reduce energy consumption.

Cleanroom System

The cleanroom system uses sandwich panels and auxiliary materials that are antibacterial and antistatic. It is suitable for various clean scenarios.

Color Coated Sheet/Coil

High-quality color-coated sheet/coil (PPGI/PPGL/PPAL) provide diversified choice space, more colors and durability.

ABOUT US

WHAT MAKES US ATTRACT CUSTOMERS?

Topropan: Your Reliable Partner in Premium Sandwich Panels

Topropan has been a pioneer in the sandwich panel industry since the 1980s, consistently delivering high-performance building solutions to a global clientele. As a professional manufacturer, Topropan combines decades of technical expertise with advanced manufacturing precision to meet the evolving needs of the modern construction sector.

㎡

Factory Footprint

million

Annual Output

Team Members

+86-137-7170-4203

elsa@topropan.com

WHY CHOOSE US

We are available 24/7, E-mail or by Phone. You can also use our quick contact form to ask a question about our services and projects. TOPROPAN energy conservation has a professional technical team to provide technicalsupport covering scheme design.

Massive Production Scale

Topropan operates 3 state-of-the-art production bases, ensuring stable supply and seamless scalability for large-scale engineering projects.

High Quality And Low-Priced Product Support

Industry-Leading Efficiency

With an annually output capacity of 2 million square meters, Topropan guarantees rapid production and on-time delivery for even the most demanding construction timelines.

Proven Expertise

Drawing on over 40 years of specialized experience, Topropan excels in providing superior thermal insulation and structural integrity for industrial, commercial, and cold storage applications.

HOW CAN WE HELP?

PROVIDE YOU WITH ONE STOP SOLUTIONS

From the early technical guidance to the implementation of the project, we will followup the progress with the customers to help them in case of any doubts or concerns to ensure that ourcustomers have the best service experience from our company.

FREE SAMPLES
FOR YOU TO CHOOSE

We will provide you with the most comprehensive coating and finishing options, and no one can offer more color and finishing options than TOPROPAN. If you are interested in our products, you can click the button below to apply to us.

BLOGS

Contribute To The Development of Modern Agriculture And Animal Husbandry

The following are some key factors to consider when choosing suitable panels for the clean room:1. Material properties- Anti-static performance: Static electricity in the clean room may adsorb dust and particles, affecting the cleanliness of the environment. Therefore, it is important to choose pane

Aug 14, 2024

Key Benefits of Roof Sandwich Panels in Modern Construction

In modern construction, innovation is essential to meet the demands of sustainability, efficiency, and durability. One of the most impactful advancements in building materials has been the development of roof sandwich panels.

Feb 10, 2026

How Roof Sandwich Panels Improve Building Insulation And Durability

In modern construction, the materials used in a building’s roofing system play a crucial role in its energy efficiency, structural integrity, and long-term performance. One of the most effective solutions for achieving these objectives is the use of roof sandwich panels.

Feb 12, 2026

VARIOUS TYPES OF SANDWICH PANEL

WHAT MAKES US ATTRACT CUSTOMERS?