China has stepped up activity around Huangyan Dao with a combination of military training, coast guard operations and updated management rules, according to Chinese reports. The moves were presented as a stronger assertion of control in the area and as a deterrent against what Chinese commentators described as provocations linked to the Philippines.

Recent exercises reportedly involved warships and aircraft practicing sea and air control missions near the shoal. Coast guard personnel also trained for scenarios involving the interception and towing of vessels that enter the area, signaling a more operational approach to enforcing China’s position.

At the same time, new rules were said to tighten the legal framework around a national nature reserve connected to Huangyan Dao. The addition of regulatory measures suggests Beijing is pairing on-water enforcement with administrative tools, aiming to reinforce its claims through both security activity and governance.

Chinese experts cited in the report said the latest steps are meant to discourage further challenges and send a political message to anti-China figures in the Philippines. The developments add to pressure in a sensitive part of the South China Sea, where sovereignty and maritime enforcement remain a recurring source of friction.