Our Company was established by Suleyman Yelken in 1969. In the first years its production activities were on sheet iron parts and metal processing market.Yelken supplied special components and parts for the biggest companies in the World in 1980s with high quality policy. During this period Yelken gained deeper experience and started to produce door and window hardwares in 1990. Yelken, starting with only one person, in a short time has become the market leader through regular and continuous growth, as a result of persistent investments. In 1990s, Yelken focused on improving its production field according to customer requirements and increased R&D investments. Thus, Yelken’s production capacity increased drastically and became capable of producing all the necessary hardwares for door and window sector. At that period our company started to produce tilt and turn systems, multipoint, and mortise door locks, sliding systems, fitting parts, door and window handles and other accessories. International and national quality certificates like TSE, ISO 9001, LNE, RAL, GOST-R have also made contributions to Yelken’s progress. Yelken, keeping up investments on automation systems and on upgrading its technology has become a Global company in the sector through its high quality products and customer satisfaction policy.