Sonsan have been established in 1975 by Petroleum Engineer Mr. Hikmet Dinçer and by professional industry professionals to serve Oil industry. 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. References: All major Oil Well Drilling companies (TPAO, TPIC, Guney Yildizi, Zorlu, Perenco, Thrace Basin, Petoil; Genel Enerji, Calik Group, Cougar, Baker, Viking, Transatlantic Etc.) are our customers, besides our products are being used by main mining & drilling companies, for mining, water well and Geothermal wells. Staff; 30 workers are working at Sonsan, All of them have been chosen with special care and all of them are aware of the quality system and needs of Oil industry, hard working and intelligent. Our inspectors are level 2, MT2 & PT2, and welding operators are certified. Products: Sonsan is capable of manufacturing most of the Drill stem elements Per API spec 7 like, Subs, stabilizers, drill collars, shock tool parts, we stock a complete line of solid 4145Hm bars for this purpose and Sonsan manufacturers, tubular like casing, tubing, line pipe & most of the well head equipment, flanges, spools, DSA, casing heads, etc. Our down the hole hammers are being used by mining companies, Water well drilling companies & also by Transatlantic. We manufacture complete line of mud pump expendables per API specifications. Sonsan manufactures drill pipes for water well and blast hole drilling. Besides Sonsan offers complete inspection, maintenance and repair service for all above with his educated staff immediately and with top quality service.