YALÇIN BORU JEOTERMAL A.Ş., the first and largest manufacturer of pre-insulated pipe systems in Turkey, has become an international supplier in the production of pre-insulated pipes and fittings by taking part in important projects in district heating & cooling, power generation, industrial plant, infrastructure and superstructure constructions, greenhouse cultivation, tourism and maritime sectors both in our country and internationally for more than 25 years.Since 1990, YALÇIN BORU, which is the first industrial establishment within the body of DOĞAN JEOTERMAL GROUP, which has been a pioneering organization in the applications related to bringing geothermal energy resources to our country. Besides, It has carried out the feasibility, engineering and applications of numerous infrastructure and superstructure projects as well as all district heating projects, and also has investments in the field of thermal tourism and health facilities. YALÇIN BORU, located on 23.000 m2 area in Polatlı Organised Industrial Zone in 2000, started its production activities in 1997 in Ankara İvedik Organized Industrial Zone and continues its activities in high quality with the standards of ISO9001, ISO14001 and ISO45001.In order to contribute to the solution of the climate problem and the effective and efficient use of energy, YALÇIN BORU, which has been continuing its R&D activities since the first day with the aim of offering a variety of products for the application areas of all kinds of sectors, has a product range that offers solutions for steam, hot domestic hot water, oil & natural gas and chemical fluid transport systems in addition to district heating systems.YALÇIN BORU, which has certificates of EN 253, EN 448, EN 488, EN 489, EN 15698 and Euroheat & Power (EHP 001), embraces the understanding of quality production and quality service, and continues to take part in important domestic and international projects without compromising the satisfaction of customers.