Jiaxing City Qunbang Hardware Co., Ltd गुणवत्ता नियंत्रण

प्रमाण पत्र

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  ISO9001
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  American trademark
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  EU trademark
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  CHINA TRADEMARK
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  Zhejiang Province Science and technology small and medium-sized enterprise certificate
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  A patent for a washer
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  A patent for a square nuts
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  A High-strength hexagonal nut
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  A High-strength hexagonal bolt
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  A nylon lock nut
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  A kind of Thread rod