Sydney-based industrial services company United Group Ltd will construct 120 iron ore wagons for BHP Billiton's "Rapid Growth Project 4" at its Bassendean workshop as part of $180 million in new projects around Australia.

Sydney-based industrial services company United Group Ltd will construct 120 iron ore wagons for BHP Billiton's "Rapid Growth Project 4" at its Bassendean workshop as part of $180 million in new projects around Australia.