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Business license
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Certificate of quality management system certification
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3.15 demonstration unit of quality service integrity commitment
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Trademark certification certificate
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Assured consumer demonstration unit certificate
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AAA credit rating certificate
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Certificate of A-level contract abiding and trustworthy enterprise
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KYN28-24 Inspection report
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KYN28-12 Inspection report
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HXGN15-12 Inspection report
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Inspection report of box type substation
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GCK withdrawable switch cabinet 3C and inspection report