At ARÇELİK TUZLA PLANT entry quality control is realized with EQUOSTAT Mobil Hardness Tester. Döküm Makina Ltd. is successful in the field of Sales and in providing after Sales service concerning mobile hardness tester since more than twentyfive years. Installation and Training of Equostat Mobil Hardness Tester at ARÇELİK TUZLA PLANT has been executed in a successful way by the experienced Döküm Makına Team.