Chinese visa inside the passport was cancelled by FrontierInspectionStation.
护照证件内有中国签证被边防检查站注销的。
2
Article 3 the port administrative area shall be supervised and controlled by the frontierinspectionstation.
第三条口岸管理区由边防检查站实施监管。
3
Where Chinese vessels have need to make fast to alien vessels, captains or their agents shall apply to the frontierinspectionstation for going through necessary formalities.