China is not a foolish country to use nuclear arsenal.Pakistani terrorist groups in their sectarian war may get hold of nuclear bomb and explode in their own country to annihilate the other group.A jihadi action to enter heaven.
China is ahead of india in nuclear power as in every field,except family planning.However as almost all the big nations are nuclear,no nation would go in for nuclear option as it is twoway weapon.There is distict polarization -US groupincluding Japan,south Korea,India,Israeal,Britain,while China,north korea,,,,,,,Pakistan on other pole waiting to destroy the earth.