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CNOOC diving safety qualification
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Offshore equipment maintenance organization of CNOOC
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Japan classification society underwater inspection agency
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ABS underwater inspection agency
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Professional equipment testing and inspection institution of the State Administration of work safety
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Bureau Veritas underwater inspection agency
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NK underwater inspection certificate 2018
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IMCA certificate 2019
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DNV.GL Cert.
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CDSA diving operation safety certificate 2019-2022
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CDSA diving service capability and credit rating certificate 2019-2022
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Quality management system certificate
