The gesture accompanied the presentation of the biannual white paper on China's National Defense, whose release some analysts said had been timed for the inauguration.
“A few hours from now, Mr Obama will be inaugurated. In the new era, we hope that both sides can make joint efforts to create favourable conditions for the continued improvement and development of military relations,” said Hu Changming, spokesman of the ministry of national defence.
The softer tone contrasts with the uncompromising line Beijing has taken towards the outgoing Bush administration over military matters. For two months, the defence ministry has demanded that Washington reverse its October decision to sell $6.5bn in arms to Taiwan.