Heavy Steel Structure Company specializes in the production of semi-trailers and special vehicles. The company was invested in advanced technology lines, operating under strict production processes from input to output.

The company has supplied products to many partners in the domestic market. Especially, exporting skeleton semi-trailers to key markets such as the US, Korea, Japan, Thailand, Cambodia, Myanmar...
Establishment year
USD 22.4 million


Skeleton semi-trailer
Flatbed semi-trailer
Special vehicles

Skeleton semi-trailer

Including 20' skeleton semi-trailer, 40' skeleton semi-trailer, 45' skeleton semi-trailer... In which, Car - carrier skeleton semi-trailer is the key export product.
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Flatbed semi-trailer

Including low flatbed semi-trailer, 40' - 3 axles - 08 twist locks flatbed semi-trailer, 45' - 3 axles - 10 twist locks flatbed semi-trailer...
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Special vehicles

Including Car - carrier semi trailer, livestock - carrier semi trailer, fridge semi-trailer,...
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Production process

Design & simulation

This first step aims to descript, overview and detail calculate products, and optimize the production process.

Including the following steps:

  • Design procedure
  • Design control drawing
  • 2D, 3D simulation


The company was granted certificates for quality management system, environmental management system; and type approval certificate for trailers and semi-trailers. Products meet the strict requirements of the export market.
Quality management system ISO 9001:2015
Environmental management system ISO 14001:2015
Type approval certificate for trailers and semi-trailers 2022
Type approval certificate for trailers and semi-trailers 2020
Type approval certificate for trailers and semi-trailers 1.2019
Type approval certificate for trailers and semi-trailers 2.2019


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