There have been maritime incidents between Chinese and Vietnamese survey boats.
中越勘测船在海上发生过冲突。
2
The maritime court shall not accept any conclusion of the survey or appraisal made or drawn up by institutions or individuals without authorization of the State or without professional qualifications.
非经国家授权或者未取得专业资格的机构或者个人所作的检验或者估价结论，海事法院不予采纳。
3
The survey cites research showing the unifying of China's civilian maritime fleets in 2013, coupled with on-going budget increases, has given it the world's largest coast guard.