Guindy machine tools limited or gmt is engaged in the work holding, work positioning, machine tool, metrology and foundry business. It is accredited with the iso 9001:2000 & iso 14001:2004 certification of quality and environmental systems. Sg iron castings to grades sg 400/12, sg 500/7, sg 600/3 are available. These can be supplied as cast, proof machined or fully machined.