GELISIM was founded in 1989 in Istanbul, Turkey.
GELISIM is competent at valve production and marketing with its great know-how and experience.
GELISIM produces valves in conformity with API, ASME, DIN and TSE standards with 50 qualified personnel, modern machines and test equipments on a 3000 meter square plant in Tuzla, İstanbul, Turkey.
Production capacity has reached up to 1000 Ton/year.
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