Qualification certificate


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Utility model patent certificate (an online embossing mechanism)

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Buckle type fixing device and waste cleaning mold connection structure

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Registration Card for Compulsory Tree Planting in Hangzhou City

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Hangzhou Enterprise Product Execution Preparation Registration Certificate

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Labor Security Annual Inspection Manual

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Printing Business License (Updated)

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Printing Business License (Copy)

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Webmaster Certificate

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Written Examination and Registration Manual for Labor Security

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Copy of Printing Business License (Updated) 20200325