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Automatic CNC contact pulse argon arc spot welding machine jewelry spot welding machine for gold and silver glasses repair
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120mm/160mm goldsmith sheet semicircle pattern wire roller silver gold electric mill for jewelry making machine
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Gear Ratio 1:2.5 Manual Wire Rod Tablet Press Jewelry Gold Jewelry Two Roller Rolling Mill Mill Jewelry
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Three-in-one jewelry tool equipment vacuum casting machine metal melting mold jewelry casting machine