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The TTO was founded in 1962 by Unioninvest in Sarajevo, where it operated until 2000. Since then it has been privatized and started to work independently as a technological equipment company.

Our product range includes a wide range of products stainless steel (stainless), black steel, aluminium, steel and products made of other materials in combination with steel.

All of our products are tested according to internationally recognized standards. We are experts in manufacturing pressure vessels, tanks and pipelines, such as in metal construction.

We use sandblasting, powder coating and wet painting of our products with high standards. Lately we have been increasingly active in the furniture segment (black steel and stainless steel), precision locksmithing and manufacturing of food systems made of stainless steel, fences made of stainless steel and black steel as well as in the production of security doors.

We have been operating on the international market for over 15 years and about 75-80% of production is destined for EU needs. We also have the international quality certificate ISO 9001: 2008, as well as the EN: ISOCertificate for welding and pressure vessels. Our service is the top quality of our products and the full satisfaction of our customers.

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  • Materials:Structural steel (S235 / S355), stainless steel
  • Surface treatment:Sandblasting, wet painting, powder coating, galvanizing, polishing, electropolishing, chromating
  • Welding tests:Visual inspection (VT), dye penetrant inspection (PT), X-ray (RT/DR)
  • Welding process:MIG (131 / 137 / 139) / MAG (135 / 136 / 138), TIG / TIG (141), spot welding
  • Welding Certificates:EN 3834-2, EN 1090-2 EXC2, AD 2000, EN 2014/68/EU
  • Founding year:1962
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  • Number of employees:50-99
  • Quality certificates:ISO 9001.
  • Languages:German, English
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TTO - Sarajevo

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