Qualification
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A practical model patent certificate for a material conveying device of a straightening machine
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Patent certificate for invention of low-carbon alloy steel spheroidization method
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Patent certificate for invention of cold drawing method for medium carbon steel bars
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ISO9001 Quality Management System Certificate
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A Device for Horizontal Pushing of Drawing Machine - Utility Model Patent Certificate
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A Guide Device for Grinding Axis Parts - Utility Model Patent Certificate
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A device for auxiliary feeding of hydraulic straightening machine - utility model patent certificate
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A practical model patent certificate for a straightening machine's material feeding auxiliary device
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A utility model patent certificate for an anti falling feeding rack
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Patent certificate for utility model of feeding roller for eddy current anti-counterfeiting machine
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