Established by Suleyman Yelken in 1969. In it's first years, the production was steel sheet pieces (such as hair comb, nail clipper etc…) for the Turkish market. After 1980's Yelken expand it's growth rapidly by producing pieces for Bosch Profilo. For a long period, Yelken successfully continued supplying steel sheet pieces for washing machines, refrigerators, ovens for this company.

At 14.01.1990 our firm changed its presence under the name of YELKEN MADENI ESYA SAN. TIC. LTD. then in early 1990's started it's activities in uPVC Accessories market. At the same period, it also produced brake pedals parts for automotive market.

In 2005, after quitting supplying Bosch Profilo parts, the company focused completely on uPVC Accessories market. Thanks to this purpose Espagnolette Assembly line, window and door handle production facilities and also some other accessories' production machinery, tools and tables were set. By aiming high quality production and customer satisfaction as company policy, Yelken had a rapid growth in uPVC Accessories market and became one of the leading companies at it's sector.

At 08.08.2006 our firm changed its presence under the name of YELKEN KALIP PENCERE KAPI AKSESUARLARI ve METAL SAN. TIC. A.S. and since 2007 continues it's organization with ISO 9001:2000 quality certificate by keeping high quality production and customer satisfaction. Research & Development, H&R and training activities play a major role at today's success.