Sonsan have been established in 1975 by Petroleum Engineer Mr. Hikmet Dinçer and by professional industry professionals to serve Oil industry. 

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Since 1987  the company is owned by Dinçer family and today Mr. Hikmet Dinçer (petroleum Engineer graduated in 1966) the founder of the company is working as an adviser in the company, Mr. Emrah Dinçer main share holder (mechanical engineer graduated in 1993) working actively as  company manager. 

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In 1987 Sonsan have been the first API licensed company per API Spec 7 in Turkey, He participated the program till 1997. At that time Sonsan suspended his participation but continued with the quality assurance system strictly. 

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Our Work shop is located in the capital city of Turkey, in an Industrial Modern Area with excellent Infrastructure; Factory have 3668 square meters of land area and 1858 square meters of closed area.   

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