In 1976, Zimas Zincir ve Makine San. Tic. A.S. that is the first company of Topbas Group was established to show activity in manufacturing sector at Bursa industrial zone, TURKEY. Our establishment produce special chains as well as standard chains. The number of the special chains that we produced so far are over 3500 which are being used in various sectors. We have cold and hot forming in our company.