NZ Stirrers Limited works closely with its key equipment suppliers using the very best equipment from around the globe.​

One key supplier is J P Marshall Engineering Limited which is situated in Hamilton, New Zealand. J P Marshall Engineering is the agent for the Italian-made Sami Cement Silo Units. The Sami Cement Silo plays a key part in the bulk storage and the automated delivery of cement directly to the automated “Hany” Grout Pump System.

The Sami Cement Silo Units play a key part in the smooth delivery of cement to the Hany grout pump which mixes up to 15,000 litres per hour directly down the centre driveshaft to the mixing head.​

J P Marshall Engineering: http://jpmarshall.co.nz/cement/mobile-silos/#main

Italy: https://www.sami.info/en/