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Gold Processing in Hong Kong: Jewellery Casting, Gold Powder, Wire Drawing and Ingots
Jewellery casting, gold powder, wire drawing and ingot casting in Hung Hom. Your gold is tested and weighed in front of you, with fees and agreed loss set in writing first.
اقرأ المزيد →Jewellery Casting in Hong Kong: Lost-Wax Casting from Your Sample or Drawing
Lost-wax casting explained: rubber mould, wax tree, investing, burnout and vacuum casting. The nine steps, what to prepare, and how leftover gold and loss are accounted for.
اقرأ المزيد →Gold Powder and Ingot Casting: Can Old Gold Be Melted into Bars?
Yes. Old gold can be melted and cast into standard ingots, or made into powder or grain for easy weighing. The form changes, not the purity, and mixing purities lowers it.
اقرأ المزيد →Gold Wire Drawing: Material Testing and Specifications
Gold is cast into a wire rod, drawn through progressively finer dies with annealing, then spooled. Common uses, the five steps, and how leftover gold and loss are checked.
اقرأ المزيد →How Is Gold Processing Loss Calculated?
Processing loss is gold that genuinely can't be recovered, such as burn-off during melting. Leftover gold stays yours. We check it with one formula: incoming = finished + leftover + agreed loss.
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