Quality Assurance carries out the task of satisfying quality levels that customer request.
The corresponding work is largely divided into support of customers and quality planning affairs.
Support of customers is in relation to the task of handing claims according to the requests from customers in Korea and abroad, preparing a measurement form, and handling problems with product quality, and supporting technology.
Quality Planning helps establish a clear quality standard for only DS Group, by managing quality systems and standards and partners, and certifying products.

As the basic quality in the process of undertaking tasks, customer-oriented policy and knowledge on products are required.
For the highest customer satisfaction, the coping mechanism to immediately understand and deal with requests from customers are necessary.
It is important to have leadership in reflecting problems that occur outside, and improve them, and to accurately understand products and the rapidly changing technological trend of products, from wide perspectives.

This work requires the task of conducting the final test for shipping goods, importation, product test, and QMS, toward quality direction and goal.
The responsibility for the work is to effectively manage all the means in order to manufacture products of quality that meets customer needs, and to improve and manage product failure and claim, by monitoring process and products, constantly.

The work requires managing product quality. It is, thus, necessary to have the background knowledge about engineering to understand production process in the company. For perfect quality management, the first thing to be considered, above all, is the compliance with principles.