Self-sufficiency
Draw up a list of everything essential and necessary to China's military. If they can't already source each domestically it is a priority for them to develop the manufacturing base to do so. In doing that, most everything essential to domestic civilian consumption follows also, and keeps the public quiet.
Whatever else it may resemble, this is a command economy directed to become independent of all international entanglements. Then, no one will be able to interfere in future developments as there will be no levers to use against them. This is economic strategy motivated by strict nationalism.
If you want to sell them ivory or teak or bulk refined ores, fine. Everything else is a negative for them.