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Meet DongAn at the 140th Canton Fair | Booth 13.1C26-27
DongAn is pleased to announce that we will be exhibiting at the 140th Canton Fair from October 23 to 27, 2026. We warmly welcome customers, contractors, project developers, and business partners to visit us at Booth 13.1C26-27. This will be a great opportunity to learn more about our steel struct...Read more -
How a Rock Wool Sandwich Panel Helps Cut Noise
A rock wool sandwich panel does more than protect a building from fire. It also helps keep a space quieter. Anyone who has stood in a metal-clad workshop during a rainstorm knows how loud a thin steel roof can be. Noise is a real concern in workshops, warehouses, cold rooms, and even office block...Read more -
Fruit Storage Temps in a Cold Chain Warehouse
A cold chain warehouse holds a lot of value, and fruit is one of the fussiest things to keep inside it. Fruit keeps breathing after harvest, and temperature controls how fast it ages. Set the dial a degree or two off, and the damage shows up days later. Apples keep for months at one setting, whil...Read more -
Why Steel Structure Projects Need More Than Drawings？
A steel structure project needs more than a fabrication drawing to run smoothly. The drawing tells the workshop what to cut, weld, and drill. It rarely tells anyone how the parts will travel, how they will look on the ground at the site, or how fast a crew can bolt them up. Those questions decide...Read more -
Sandwich Panel Selection: Insulation, Fire or Cost?
Choosing a metal sandwich panel sounds simple until you put three datasheets side by side. One promises the best insulation. Another carries the strongest fire rating. A third wins on price. Each claim is true, and each one pulls you in a different direction. Most project teams end up asking the ...Read more -
Refrigerated Container vs Modular Cold Room Setup
A refrigerated container and a small prefab cold room can both keep your stock cold, but they go in very differently. One arrives as a finished box. The other arrives as panels and parts. That difference shapes your site prep, your schedule, and your budget. This guide compares the two setups in ...Read more -
Steel Structure Hangar: What to Plan Before You Build
A steel structure hangar looks simple from the outside: a big roof, wide doors, and lots of clear space. Inside, the details decide whether it works well for years or causes headaches. Span, door size, floor loads, and local codes all shape the design. This guide shares what we see on real jobs, ...Read more -
How Controlled Atmosphere Cold Storage Differs
Cold storage usually focuses on temperature, insulation, and moisture control. A controlled atmosphere cold storage facility adds another requirement: the enclosure must also help maintain a stable internal gas environment. This changes how the wall, ceiling, floor, doors, and service penetration...Read more -
Steel Structure Corrosion Protection: More Than Painting
A steel structure can look well protected after painting, yet corrosion may still become a problem if the surface, coating system, and site environment do not work together. For a typical steel structure project, painting is only one part of the protection strategy. The real question is how the e...Read more -
When Should You Choose EPS Sandwich Panel?
EPS sandwich panel can be a practical choice when a project needs economical thermal insulation, fast installation, and straightforward wall or roof construction. They are widely used for warehouses, workshops, agricultural buildings, and other spaces where the insulation and fire requirements re...Read more -
Loading Sandwich Panel: Cutting Freight Cost Per Container
A sandwich panel only earns its keep once it survives the journey, and that journey starts with how well it’s packed into a container. For cold room projects heading across Southeast Asia or Latin America, freight often runs a close second to material cost, and a poorly loaded container was...Read more -
PIR Cold Storage Panel: Where They Fit
A cold storage panel does more than separate a cold room from the outside. It controls heat transfer, affects usable space, and influences how reliably the room holds its target temperature. PIR panels often enter the discussion when a project needs strong thermal insulation without making the wa...Read more
