We Chinese feel lonely on this globe, feel so profoundly. Friend like Pakistan is too scarce, in our domestic media Pakistan means brother in arm, I think is reciprocal, Our friendship is simple albeit much higher than interest.
Investment in Z20 maybe low possible. Because z20 is not a noticeable export or joint project. And think for the moment it's is mature enough, PAF can directly imports it even the beltline
Z8 and mi17 are patently not competent for the demanding of Plaaf & navy combat troops, if, compare with Mh-53. Therefore heavy lifts are indispensable, but i think why not vtol but normal helicopter? VTOL maybe is a more sensible gambit?