GTM's products cover CNC glass drilling and milling machines. The TRIFECTA GK20 Shower Door Machine and the Three Headed GJ3 glass drilling machines. GTM also manufactures double head glass drilling machines, three head glass drilling machines, four head glass drilling machines, glass washing machines, high-speed double edger production lines, glass cutting production lines, glass edging machines (flat edge, beveling edge, round edge, shape edge), glass mitering machines, glass sandblasting machines, glass breaking table and other glass deep processing equipment.