Profile: Koach Engineering Corp. provides food-freezing equipment. Our products include cryomech & ammonia freezers, immersion freezer & immersion-plus systems and ln2 & co2 spray tunnels. Our CRYOMECH freezer is a combination of cryogenic and mechanical refrigeration systems to create a new system that eliminates the undesirable & preserves the best features of both systems. Our nitrogen tunnels have the automatic modulating control for the efficient and precision freezing process control.