FNF Teknoloji SAN ve TİC A. Ş., located in Melikgazi, is a leading brand known for its innovative technology solutions. They specialize in a wide range of products and services, including kalorimetre and su sayacı (heat meters and water meters), su sayaçları (water meters), ultrasonik kalorimetre (ultrasonic heat meters), and ısı sayaçları (heat counters).

They also offer veri toplama sistemleri (data collection systems) such as M-BUS, GSM Modem, and Wi-Fi, as well as vanalar (valves) including balans vanası (balance valve) and termostatik vana (thermostatic valve). Additionally, FNF Teknoloji provides ISI İSTASYONLARI (heat stations) and tesisat ve montaj malzemeleri (plumbing and installation materials) to cater to different needs. With their commitment to high-quality and locally-manufactured products, FNF Teknoloji has established themselves as a reputable brand in the industry