Even though the zone was envisaged to leverage on the cheap labour and the locally available raw materials to facilitate the units, it saw the establishment of a few units in advanced technologies. AMP Tools, a subsidiary of AMP Inc. set up a unit to produce advanced tooling, which commenced operation in July 1992. NortPak Fiber Optics set up a unit to manufacture fiber optic switches and multiplexers in April 1993. Sun Fibre Optics started manufacturing fiber optic networking products in April 1991.