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Company
History
Dosemenler Leaf Spring was established in Bigadiç in 1980 to produce leaf springs. It focused on progress by increasing technological developments and moved to its new facilities in Gaziosmanpaşa OSB in 2013.
Dosemenler Leaf Spring is a well-equipped facility built on a 10500 square meters closed and 20000 square meters open area, with advanced design, processing and manufacturing capacity with the contribution of its unique technology and expert staff. With the investments made, the production capacity has been increased to 4284 tons/year. Döşemenler Otomotiv plans, follows and realizes its production from the system, taking into account the demands and needs of its customers.
Our company currently has 4 computer-aided, automated parabolic lines. In addition to parabolic leaf springs, it also produces air cushionleaf springs and conventional leaf springs. Today, our company mainly attaches importance to manufacturing for the automotive sector and produces springs for many land vehicles in this direction. In 2022, additional production halls and offices were commissioned.
As of 2022, 70% of the production is realized for foreign markets and 30% for domestic markets.
Vision
To be a leading company that has adopted innovation and creativity as the main principle for development, and is trusted and preferred in international markets.
Mission
To improve our relations with our employees, customers and suppliers, to meet their expectations and to offer products without compromising our quality by continuously improving.


Quality
DOSEMENLER Leaf spring mainly focuses on leaf springs. The production of leaf spring is compatible with international standards and TS 582 regulations.
ISO 9001 quality management systems are applied during production at Dosemenler. Highly concentrating on Research &Development, Dosemenler meets all laboratory requirements in order to be indorsed with an ISO/TS 16949 certificate.
DOSEMENLER Leaf springs are made from high quality 50CrV4 , 51CrMoV4 , 55Cr3 , etc. spring steel.The products and semi-products are controlled within every step of the production by systematic and efficient quality control methods,carefully tested for mechanic,matelurgical & metalographic and fatigue properties.
Internal testing capabilities are available including:
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Load control fatigue testing
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Digital Brinell hardness testing
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Computerized load deflection analysis
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Digital dimensional testing
QUALITY POLICY
Dosemenler Otomotiv company accepts quality as a basic principle and adopts a management system in accordance with ISO 9001:2015 and IATF 16949:2016 standards and aims to continuously improve this system.
Our vision is to increase our competitiveness in the global market and expand our export volume by continuously improving customer satisfaction and product quality.
To achieve this goal,
Customer Focus: To underst and and meet the needs of our customers in the best way, to be a reliable business partner, and to constantly take their feedback into consideration,
Legal and Ethical Compliance: Ensuring full compliance with both local and international regulations, legislation and legal requirements ,
Continuous Improvement: Supporting continuous improvement efforts to continuously improve quality, optimize our production processes and create safe working environments,
Investment and Technological Innovation: Making the necessary investments to increase product quality and making our processes more efficient by following technological innovations,
Market Expansion: Increasing our export activities strategically in order to create new market opportunities and gain a stronger position in existing markets ,
Training and Development: To keep the satisfaction and motivation of our employees at a high level by providing training programs that will support their professional development ,
Risk Management: Identifying possible dangers and developing proactive strategies to minimize risks ,
Compliance with Standards: To meet customer expectations by fully complying with national and international quality standards, industry norms and legislation ,
Our Board of Directors undertakes to provide the necessary resources and create a working environment based on these principles in order to sustain the effectiveness of our quality management system. We have full faith that all our employees will contribute with the highest efficiency to further our common success.
Other testing capabilities (external):
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Microstructure conformity analysis
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Finite Element Analysis (FEA)
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Corrosion resistance testing
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Tensile strength verification
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Complete metallurgical analysis
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Raw materials certification
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Laser imaging for dimensional conformity