D-Çetinkaya Machine started production in a small workshop in Imes Industrial Site in 1988. Our company is named after its founder, Osman Çetinkaya. Our company operates in the construction machinery sector and manufactures concrete pipe machines, Chimney (manhole) machines, prefab base machines, fork elbow machines, and molds, pallets, fiber heads, and all other equipment related to these machines. It exports these products to countries such as Libya, Algeria, Morocco, Syria, Iran, Azerbaijan, Saudi Arabia, Nakhchivan, Egypt, Uzbekistan, Kosovo, Romania, Nigeria, Qatar, Bulgaria, Ethiopia. In addition, D-Çetinkaya, in order to meet the priority needs and create a new market in the Turkish industry, has produced a double-processing unit CNC Vertical lathe with a steel structure with a diameter of 4000 mm using its own 100% capital and presented it to the Turkish and world markets. Combining the D-Çetinkaya experience with the innovations brought by technology, production continues in 3000 m² closed facilities in Kurtköy industrial site. It is aware that customer satisfaction is QUALITY, PRICE, and SPEED, and has made these its principles.