The logic goes as follows.
The US doesn't have SRBMs and would probably take a decade to develop and field such a capability. Arming the current ICBMs with conventional warheads runs the risk of a disastrous response. And if the nukes start flying, ABM on the Type-55 is not going to make any real difference.
No one else in the Western Pacific has ballistic missiles either, and would probably take the same time to develop such a capability.
Russia has conventional SRBMs, but because China-Russia share a land border, ABM on the Type-55 is not much use. Plus Russia has a huge nuclear missile force, which again means ABM on the Type-55 is not much use.
India has a smaller missile force than Russia, but again, China-India share a land border, so ABM on the Type-55 is not much use, when any potential conflict will be settled on that land border.
This is all obvious when you look at the overall strategic situation.
The US doesn't have SRBMs and would probably take a decade to develop and field such a capability. Arming the current ICBMs with conventional warheads runs the risk of a disastrous response. And if the nukes start flying, ABM on the Type-55 is not going to make any real difference.
No one else in the Western Pacific has ballistic missiles either, and would probably take the same time to develop such a capability.
Russia has conventional SRBMs, but because China-Russia share a land border, ABM on the Type-55 is not much use. Plus Russia has a huge nuclear missile force, which again means ABM on the Type-55 is not much use.
India has a smaller missile force than Russia, but again, China-India share a land border, so ABM on the Type-55 is not much use, when any potential conflict will be settled on that land border.
This is all obvious when you look at the overall strategic situation.