Add david's sling and Iron dome to the layered approach , phew!
although I'm still of the school of thought that signing with the US on their missile shield is better for the future. Yes- there is bias built into it. By it saves a lot of money and it gives you, as you seen with iron dome, a high percentage of safety.
US- China relationship will never get any better than US - Russia relationships. We will not cede the super power status, period. honestly- I don't see the back bone to that status ( NATO like alliance, world wide bases ) ever happening with any country , let alone antagonistic to it's neighbor China.