History
The first ironworks were built.
United smaller ironworks into one company.
The Counts of Thurn, who owned the ironworks, merged several smaller foundries into one company named RAVNE Steelworks. Up to the beginning of the 20th century Thurn steel received many awards and was sold all over Europe, to Russia and even to China.
Start of production of industrial knives
Due to the needs of our own steel production and the surrounding industries, the production of RAVNE KNIVES began at this location, on the basis of Ravne quality steel and our accumulated metallurgical knowledge. Initially it was organized in the maintenance workshops.
Joining the Ravne steel mill to company Böhler.
The rise of Ravne ironworks
The true rise of RAVNE Steelworks began. New investments and rebuilding were carried out throughout the system, from the foundry and ironworks to the forged and rolling mill facilities. In addition to the existing metallurgical facilities, new mechanical process facilities were built. In 1969 Ravne Steelworks merged with Jesenice and Štore Steelworks into Slovenian Steelworks (Slovenske železarne).
Official establishment of a company for the production of industrial knives, with its own heat treatment facilities.
Official establishment of an independent unit within the Ravne Ironworks.
Reorganization of the Slovenian Iron and Steel Works.
Slovenian Steelworks reconfigured the whole organization into a holding with individual companies. Official foundation of RAVNE KNIVES under the name Slovenske železarne – Industrijski noži d.d.
Establishment of company Serpa d.o.o.
Establishment of company Sistemska tehnika d.o.o.
As a result of corporate restructuring in the field of recovery, rehabilitation and reorganization, Sistemska tehnika d.o.o. was founded.
The Viator & Vektor Group takes over the company Sistemska tehnika d.o.o.
The holding Slovenske Železarne was renamed into holding SIJ - Slovenian Steel group.
The holding Slovenske Železarne is renamed Slovenska Industrija Jekla; the process for the privatization of the holding SIJ –Slovenska industrija jekla began and ended in 2007.
The official name of the company changed to Noži Ravne d.o.o.
Beginning of the production of forged rolls and forged products in Sistemska tehnika.
Company Ravne Knives one of the TOP manufacturers of industrial knives.
Company Ravne Knives is one of the most important manufacturers of industrial knives in the world. The Ravne brand was known all over the world, sold in more than 50 countries.
Ravne Knives UK and Ravne Knives USA
Establishment of company SIJ Ravne Systems d.o.o.
Start of operations of the new company SIJ Ravne Systems d.o.o. The company plays a key role in the SIJ Group, which is a producer of high-quality steel as well as finished products - forged rolls, industrial knives and other industrial equipment.
Expansion of own service and sales network
Continuation of intensive activities for the expansion of our own service and sales network and vertical integration.
Own brands of SIJ Ravne Systems
Establishment of four new brands in SIJ Ravne Systems for steel products (SIROLLS for high alloy rolls, SIKNIVES for industrial knives) and services (SIMATEC for maintenance and machine building, SILABS for laboratory services).
50 years of manufacturing industrial knives
50 years of rich experience and cooperation with leading machine manufacturers (OEM) in research and development projects and with knife users places us at the very top of the leading companies of the international market.
35 years of existence of Laboratories SIJ Ravne Systems
Noži 2.0
Completion of the investment to increase performance, eliminate bottlenecks, and optimize and automate production processes under the Noži 2.0 program at SIJ Ravne Systems