What is Hot Chamber Die Casting? Process of Hot Chamber Casting. What Are the Differences and Similarities between Hot and Cold Chamber Casting? Which Metal Alloys Are Suitable for Hot Chamber Die Casting? KYLT - a hot chamber die casting parts manufacturer, provides Zamak 3, Zamak 5 and special type Zinc alloy die casting parts services from molds' making, die casting, machining, and surface treatment as per customers' requirements. Our Zamak (Zinc alloy) casting parts are exported to the USA, Spain, the UK, Germany, Japan, etc.