Patent


Patent Certificate for Vertically Operated Special Scissors for Silver Tree Shearing in Jewellery Processing

Patent Certificate for Vertically Operated Special Scissors for Silver Tree Shearing in Jewellery Processing

Patent Certificate for Plaster Demoulding Equipment in Silver Casting

Patent Certificate for Plaster Demoulding Equipment in Silver Casting

Patent Certificate for Multi-pattern Polishing Head Storage Tool Box for Jewellery Polishing

Patent Certificate for Multi-pattern Polishing Head Storage Tool Box for Jewellery Polishing

Multi-station Environmentally Friendly Recyclable Jewellery Polishing Table

Multi-station Environmentally Friendly Recyclable Jewellery Polishing Table

Patent Certificate for Plaster Cavity Vacuum Wrapping Equipment for Silver Casting

Patent Certificate for Plaster Cavity Vacuum Wrapping Equipment for Silver Casting

Patent Certificate for a Kind of Windmill Pendant

Patent Certificate for a Kind of Windmill Pendant

Patent Certificate for a Kind of Fully Rotating Ring

Patent Certificate for a Kind of Fully Rotating Ring

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