Serkis REİZYAN in 1983, continues its activities as a family company with its experience and customer portfolio transferred from father to son. In order to provide the highest level of customer satisfaction in the manufacturing industry, it has adopted the principle of responding to all demands in the market by following the technological developments. ÖZSELİN HOLE SAC, with its more than 40 years of experience, continues on its way with firm steps in order to meet the needs of its customers and to deliver the goods on time and with the desired specifications. With its wire erosion, hole drilling, CNC machining center and Köhler Peak Performer Precision Sheet Straightening machine, it can prepare the molds with maximum precision and as desired. The most important features of their products to distinguish them from those on the market are that the goods are completely burr-free and flat. Added to this is the dimensional accuracy in the center spacings between the machined holes. 1SO 90001-2008 certificate, which is seen as a proof of service and quality, was obtained. ÖZSELİN HOLE SAC directs its activities in this direction in order to maintain its leadership in the sector.