No surprises here. Why would China become signatory to a Treaty that limits Chinese capability? Nothing to do with us; only those treaty-breaking Russians and treaty-repudiating Americans. Trustworthy China was not involved.
'China rejected on Saturday German Chancellor Angela Merkel’s appeal to join a Cold War-era arms control treaty that the United States accuses Russia of breaching, saying it would place unfair limits on the Chinese military.'
China rebuffs Germany's call for U.S. missile deal with Russia | Reuters
China is a big part of the death of the INF treaty. Even their good buddies the Russians are moving more missiles to the Far East. Nothing like trust between comrades!