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| Factory registration certificate |
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| Korean patent |
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| Confirmation of Venture Business |
|
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| Utility model registration certificate |
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| Trademark registration certificate (SUNJOY) |
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| Trademark registration certificate (썬조이) |
|
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| Confirmation of specialized company for parts and materials |
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| Registration of Company affiliated research institute |
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| Confirmation of INNOBIZ enterprise |
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| Incheon Small & Medium Business Administration Export Promising Small & Medium Business Designation certificate |
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| Incheon Quality Superior Product Designation |
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| ISO9001 |
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| ISO14001 |
|
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| Antibacteria mark |
|
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| FIR mark |
|
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| LIG Product Liability Insurance Certificate |
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