China News Service, August 12. According to the website of China Maritime Safety Administration, Tangshan Maritime Safety Administration issued a navigation warning. From 0:00 on August 12 to 10:00 on August 18, the Bohai Sea was 39°24′35″N, 119°13′ 44"E is the base point, the fan-shaped area from the east to the south-west 6° and the included angle is 96° (the coordinates of the two vertices of the fan-shaped area are 39°24'14"N and 119°28'24"E respectively. and 39°13′13″N, 119°11′51″E) for live ammunition activities, and it is forbidden to enter.
Image source: China Maritime Safety Administration website