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| business license | High-tech Enterprise Certificate | ||
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| Standing director unit | Credit institution code certificate |
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| Trademark registration certificate | Environmental Management System Certificate | OHSAS18001 Occupational Environmental Health System Certificate | ||
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| Trademark registration certificate | Quality Management System Certificate | Construction Enterprise Qualification Certificate | ||
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| safety production license | People's Republic of China special equipment manufacturing license | People's Republic of China special equipment installation and renovation maintenance permit |