ADDK, which has adopted working with customer satisfaction as its principle, conducts quality controls meticulously in every stage of the production of the orders received. Our engineers, who are experts in the field of quality, complete the sample controls from the beginning of the production and reliese the serial production after making sure that the detected defects have been removed. Our engineers, who continue their regular intermediate checks during the production, also perform the final controls after the production is completed and give approval to the shipment. In this way, our customers make sure that the materials they have demanded will reach out with the expected quality. Our company sends inspection reports including dimension control and chemical analysis reports to our customers together with our shipments as a standard procedure and can perform and report all kinds of mechanical and non-destructive inspections according to the demands of customers.