SIO Quality Department

Our vision is built on the concept of Total Quality Management and Continuous Improvement. Our quality assurance is based on our implementation of SPC in conjunction with capability studies of our production tools and APQP. Quality is the responsibility of every employee in SIO Automotive.Our employees take part in a wide range of seminars and vocational training sessions to enhance their qualifications on the job. Customer focused approach and action is an essential philosophy of our quality management.

Our Quality, Environment and OHS Policy

SIO Automotive has the objective to achieve sustainable growth in market share by offering its customers high quality and competitive products. This is underpinned by the ongoing improvement of technical capabilities and product development. We ensure that our Quality Management System fully satisfies the requirements of ISO 9001:2008, ISO TS 16949:2009, ISO 10002:2014, ISO 14001:2015 and TS 18001:2014. We strive to achieve the highest quality standards through continuous improvement whilst providing products and services according to the conditions specified by our customers. We are fully aware of our environmental and occupational safety responsibilities and we are committed to minimising our environmental footprint and implementing best practice in occupational health and safety. We adopt the following principles in this respect;
● High level of product and service quality to ensure customer satisfaction.
● Logistics excellence: On time and correct deliveries.
● Improving operational efficiency to ensure price competitiveness, using and developing new technologies and methods, while complying with the national and international regulations and laws.
● Wide product range, meeting customers’ demands in line with vehicle park development.
● Qualitative measurement and improvement of supply chain according to SIO Automotive Supply Chain Management Philosophy.
● High employee satisfaction and motivation through clearly defined and understood system objectives and open communication channels.
● We are committed to complying with environmental and occupational health and safety regulations and laws. We establish the necessary corrective actions and improvements to prevent accidents and to minimise the environmental impact of our operations, reduce pollution and waste and to improve recycling and sustainability in line with environmental management system.
● We engage our employees and suppliers about our objectives and targets, and involve them in all these processes.
SIO Automotive is constantly adapting to changing market conditions. System objectives and quality policies are relentlessly reviewed and revised in line with a philosophy of continuous improvement.



SIO has a highly capable quality lab and extensive testing equipment that guarantees the quality and reliability of our products. Some of these tests which SIO Quality Lab is capable of are listed below.
Coordinate-measuring system (CMM): Zeiss Contura, precise measuring system
Optical Dimension Control: High accuracy 3 axis non-contact video measuring system
MTS Landmark® Servohydraulic Test System: Static and dynamic tests — everything from fatigue life and fracture growth studies to tension, bending and compression tests
Performance Test: Axial - Radial Stiffness and Articulation Torque and Rotation Torque
Durability Test: 4 Axis, Axial & Radial +/- Load, Articulation and Rotation
Climate Chamber: Simulation of temperature and humidity conditions
Salt Spray Testing: 480 Lt
Paint and Coating Control: Thickness, Cross-Cut etc..
Other Tension-Bending-Compression Strength Test Machines: MTS Exceed™ 45 Electromechanical Universal Test System, Zwick 5tons
Electronic measuring of torque values
Full Spectral Analysis: Low & High Carbon Steel, Sheet Metal and Aluminium
Microstructure Analysis: ASTM Grain Size, Nodularity, Porosity, Decarburisation
Hardness, Surface Roughness, Ballpin Impact Tests


SIO AUTOMOTIVE is certified according to;

ISO/TS 16949:2009
ISO 9001:2008
ISO 14001:2015
ISO 10002:2014
OHSAS 18001:2007


Customer Claim Policy

Inline with the stipulations of ISO 10002:2014, we have created an inhouse policy related to Customer Satisfaction Improvement Principles. Main arguments of SIO CSIP can be summarized as follows;

●Customer complaint handling process is transparent and accessible to our customers and employees
●Awareness of our employees is provided with continuous training
●Continuous improvement of complaint handling process is considered as company's and each individual employee's duty and responsibility
●Our system is based on to investigate, evaluate, respond and keep customer informed. We are structured to satisfy all our customers related to their complaints and demands while taking utmost attention to ethical principles, business regulations and customer's unique conditions.


General principals of Customer Complaint Handling Procedure (CCHP)

“Your satisfaction is important to us, please tell us if you are not satisfied, we'd like to put it right” CCHP of SIO Automotive is always transparent to customers. Except company secrets or any info which is knowhow of SIO Automotive, all information that are requested by customers are given to them. CCHP is accessible to all customers and the communication language is English and Turkish. The complaints can be entered into SIO Automotive website, and also can be transmitted via communication tools such as e-mail, fax or telephone. Customers are informed about pre-investigation results as soon as possible. Under normal circumstances this period does not exceed two working days. After completion of the investigation, all immediate and future actions are reported to the customers. All the complaints are handled by an objective team without a bias as if this process is being done in the customers' premises through their eyes. Customer specific information, complaint details and any personal information of complainant are kept confidential. These are used for handling purpose only within the company. Information is not shared with third parties outside the company without prior customer consent. The main goal of the implementation of this process is to resolve the customers' problems in the shortest time and to ensure the nonrecurrence of the same problem in the future and consequently to increase the customer satisfaction. All the actions which are taken to eliminate the problem permanently are recorded, followed and results of counter measures are verified. All processes at SIO Automotive are designed and managed according to continuous improvement approach. All customer complaints are considered as a point of potential improvement and complaints are handled accordingly. All departments at SIO Automotive support this process. If needed, also external support can be provided. Please contact to your customer representative to have instruction manual of CCHP.