Qualification
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Patent certificate for utility model of straightening and shearing device for cold drawn round steel plate
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A utility model patent certificate for a hexagonal cold drawing grinding tool
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A circular drawing machine with protective structure - utility model patent certificate
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A height adjustment device for material conveying in cold drawing machines - utility model patent certificate
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Patent certificate for utility model of jaw plate for drawing machine
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A Guide Structure for Circular Drawing Machine - Utility Model Patent Certificate
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-A Guide Structure for Circular Drawing Machine - Utility Model Patent Certificate
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A Sortable Feeding Rack for a Circle Leveling Machine - Utility Model Patent Certificate
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A utility model patent certificate for a square flat steel cold rolling and drawing integrated equipment with a movable clamping mechanism
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Patent certificate for utility model of automatic feeding device for chain cold drawing machine
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