COD Stainless Steel Alum Cups Borax Cooking Bowl Jewelry Processing Equipment Gold Striking Tools borax bowlStainless steel alum bowlalum cupgold and silver jewelry cleaning tools and equipment

borax bowl,Stainless steel alum bowl,alum cup,gold and silver jewelry cleaning tools and equipmentAdd water to the alum and boil the welded product in the cup. The surface of the welded product is blackened with borax, which plays a cleaning role. Description:Shape: roundStyle: jewelry processingMaterial: Stainless steelFunction: high temperature resistanceStainless Steel Alum Cups Borax Cooking Bowl Jewelry Processing Equipment Gold Striking Tools

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