If Chinese offensive mining is a concern, the U.S. Navy isn't saying much about it. For example, the Office of Naval Intelligence report, China's Navy (2007), mentions mines 14 times and submarines more than 150 times; the Department of Defense report to Congress, Military Power of the People's Republic of China (2007), similarly mentions mines only twice, while submarines are discussed in 25 places.
Significantly, a recent joint publication of the U.S. Naval Institute and the Naval War College, entitled China's Future Nuclear Submarine Force (2007), in 384 pages of text, has only one passing reference to mines plus a relevant paragraph with the significant heading, "Possible Sale of Russian Mobile Sea Mines to China." Similarly, numerous articles in Proceedings, the Naval War College Review, and other professional publications address the Chinese submarine threat, but China's use of mines is rarely mentioned.