We manufacture shifter forks for zf gear boxes 9 speeds and 6 speeds. These are sourced from local shell mould foundries in sg grade 600 3 and are machined on 4th axic vmc machines for quality and productivity. They are induction hardened in house on emma 2 station 50 kw medium frequency cnc induction hardening machine. A. Man force trucks ltd: (6003 sg castings) 3000 nomonth b. Ashok leyland ltd :(6003 sg) - 8000 nomonth