China will "resolutely safeguard national sovereignty and territorial integrity", an air force spokesman was quoted by state media as saying on Sunday.
He said at a military airshow the air force has many types of fighter jets capable of circling "the precious island of our motherland", a reference to Taiwan.
Tensions have risen over the self-ruled island, which Beijing claims as its own territory.
(Reporting by Yew Lun Tian; Editing by William Mallard)
