How Are Minted Gold Bars Made? Complete Production Solution from Hasung

Minted gold bars are premium precious metal products valued by investors and collectors for precise dimensions, sharp outlines and exquisite engraved details. Unlike rough cast bars, they require standardized automated production. Hasung supplies a full integrated production line: melting furnace/continuous casting machine (optional), rolling mill, blanking machine, tunnel annealing furnace, polishing machine, cleaning machine and hydraulic press. This article introduces the workflow, functions and three unique advantages of each unit, with customization available for round and square gold & silver coins.

The streamlined process runs as: raw gold melting & slab forming → precision rolling → blank cutting → stress-relief annealing → surface polishing → ultrasonic cleaning → high-precision stamping. Clients select either batch-type melting furnaces for small-batch flexible production or continuous casters for large-volume automatic manufacturing. Besides standard gold bars, the whole line supports custom round and square commemorative or investment coins to satisfy diversified market orders.

1.Melting Furnace / Continuous Casting Machine (Optional Front Equipment)

2.Rolling Mill

3.Blanking Machine

4.Tunnel Annealing Furnace

5.Polishing Machine

6.Cleaning Machine

6.Hydraulic Press

The production line equipment used for producing gold and silver coins is completely identical. There is no difference in the production steps between the two precious metal products. Various machinery and equipment used from melting, pressing, blanking, polishing, cleaning, and testing can be shared from start to finish. However, when processing gold and silver, adjusting process parameters such as temperature and pressure is sufficient, without the need to purchase two different sets of production equipment.