In the year 1978 ÇAYIROVA BORU has been included into the YÜCEL GROUP and in the Gebze Osmangazi region, with its 100.000 m2 open and 50.000 mclosed area, it has total 300.000 tonnes of production capacity and the group has the experience in the steel pipe production over the past 30 years. 
♦ The black and galvanized water pipes with the ranges from 3 / 8” – 12 3/ 4, boiler pipes, natural gas pipes, scaffolding pipes, oil pipes and pipe profiles are manufactured with an experienced and trained team by using the latest Technologies. The majority of our products that are manufactured with the world standards are exported.
♦ Our company has the German galvanized pipes norms certificate of compliance “DVGW”, American Petrolium Pipes certificate of compliance “API” and Turkish standards certificate of compliance “TSE”. Our quality system is officially registered with the ISO 9001 quality assurance certificate by the “TÜV” institution which is one of the world's most reputable and reliable audit firms. Taking the customer needs and satisfaction as a principle, our company is at the service of our customers without compromising the quality principles and with its after sale services.
♦  Our principles that lead us to the 2000s made our brand the assurance of our quality.