Hi-do was founded in 1958 as Turkey’s first horn factory and has grown over time to take its place as a world brand among the world’s leading horn manufacturing companies.

Today, hi-do, the factory that produces the most different model horns in the world, exports 30% of its products to Turkey and 70% to many countries in 4 continents with its advanced machinery and qualified personnel.

According to the capacity report given by the official institutions, it has the capacity to produce 2.500.000 electric horns and 500.000 air horns per year by working 8 hours a day with its own machinery and equipment without using any sub-industry. With 3 shifts per day, it can produce 7.500.000 electric horns and 1.500.000 air horns per year.

Continuing to grow steadily, hi-do aims to establish the world’s largest horn factory with its own resources in a short time.