Our Journey
From 1974 to today, every milestone has contributed to the OKKS we are today. Explore the key developments that have shaped our manufacturing capabilities, quality systems and product portfolio over the past 50 years.

50 Years of Manufacturing Experience
Since its establishment in 1974, OKKS has continuously developed its manufacturing capabilities, infrastructure and expertise in rubber and elastomer products.
From our early focus on automotive and tractor spare parts to our current production capabilities for automotive, tractors, construction machinery and industrial applications, our development has been driven by quality, technical capability and continuous improvement.
Over five decades, we have continued to expand our capabilities, strengthen our quality standards and adapt to the evolving requirements of our customers and international markets.
- Founded
- 1974
- Covered production area
- 7.000 m²
- Total facility area
- 10.000 m²
- Years of expertise
- 50
- 19741974
1974 — Establishment
Orta Karadeniz Kauçuk Sanayi was established in Bursa for the production of rubber components for the automotive industry and tractor spare parts sector.
- 19971997
TSE 4709
The TSE 4709 certificate was obtained as part of the development of our product and manufacturing capabilities.
- 19971997
TSE 10356
In the same year, the TSE 10357 certificate was obtained, further strengthening our competence in complying with the relevant standards for our products.
- 20052005
Development of Our Machinery Park
Our machinery park was renewed to enhance our production capacity and technical capabilities. With new manufacturing technologies, we established an infrastructure capable of meeting a broader range of product requirements and diverse customer needs.
- 20152015
Development of Our New Production Facility
With the development of our manufacturing operations, we moved to our current production facility in the Hasanağa Organized Industrial Zone.
- 20152015
Trademark Registration Certificate
With the registration of the OKKS trademark, our brand identity and intellectual property structure were secured.
- 20162016
Development of Our Laboratory Infrastructure
Our laboratory capabilities were developed to enable more effective testing and control of products and raw materials.
- 20182018
ISO 9001 Quality Management System
By obtaining the ISO 9001 Quality Management System certification, we established our quality management processes in a systematic structure in accordance with international standards.
- 20182018
ISO 14001 Environmental Management System
In the same year, we obtained the ISO 14001 Environmental Management System certification, making environmental responsibility an integral part of our manufacturing processes.
- 20222022
Development of Hose Manufacturing Infrastructure
We developed our hose manufacturing infrastructure to expand our product portfolio and meet the needs of construction machinery, tractors and various industrial applications.
- 20262026
50 Years of Manufacturing Experience
We carry forward our manufacturing journey, which began in 1974, with 50 years of industry experience and a commitment to continuous improvement. Throughout our half-century of experience, we have continuously developed our manufacturing infrastructure, technical capabilities and quality standards, continuing to provide solutions that meet the evolving needs of our customers and the requirements of global markets.
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