Lead ore & zinc ore, zinc lead ore and zinc oxide.
Zinc Ore, Zinc Ingot, Copper Ore, Copper Ingot, Lead Ore, Lead Ingot, Chromium Ore.
Ultra low temperature freezers ( deep freezers), cryogenic freezers, freeze dryers(lyophilizers ), centrifugal speed vacuum concentrator, cryogenic test chamber, water vapor cryo pump, industrial chiller for reactor and distillation unit, cold trap / vapor trap, immersion cooler, blast freezer, ultra safe(twin heart) freezer.