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    On Oct.25^th.2019,“HAI XUN 16601”、“HAI XUN 1660”,which are two MSA Measuring Vessels built for The east China sea navigation security center are successfully launched in our company.
    The east China sea navigation security center、Shanghai Maritime surveying and Mapping Center、Shanghai shuangxi maritime development co. Ltd.、708 Researchinstitute、711 Research instituteattended the ceremony.