The inferiority complex from the last centuries of Chinese historiy makes it very difficult to lead this discussion.
Wait, Kurt, what inferiority complex? of the west feeling inferior to China because they don't understand China's meteoric rise and therefore claim that China is stealing technology, manipulating currency and so on. Or are you referencing the century of warfare that China experienced that made her weak?
In anycase, resorting to labeling does not advance your argument and serves only as a flame bait.
Alexander the Great was a great conqueror, as an administrator he was less than great.
Western Eurasia had strong militaristic traditions and Macedonia was part of that with a mounted noble warrior elite defending the state until Alexander's predecessor completed the ongoing infantry reform into an effective organization by a vast array of different measures. This effective fighting force defeated all neighbours who had constantly raided the country. The peace dividend was invested into armament and expansion.
Again, we are revisiting old points, it is not like China did not do the same, the Shang pacified the Guifang Barbarians, Di Barbarians, Qiang Barbarians; and during the warring state period, the Rong, Yi, Man and Di. China subjugated Gojuson in 400BC and conquered it in around 100 BC, at the same time, the Nanyue were conquored as well. Only difference is China kept the land and sinofied the inhabitants; where as in eastern eurasia, it was never possible.
Eastern Eurasia took a different roots during the Warring States. They installed a meritocratic bureaucracy that created a militarized state if required. Militarism was lost with the remanants of the old nobility in China which Confucius still refers to.
The cultural impact of Alexander's conquest can still be seen in China's old Buddhist temples. They do have roots in Greek art tradition.
This is again, wrong, not all warring states are meritocratic; the Han dynasty (down to the Qing) that followed has a very strong nobility and gentry. Hell, the 14th son of Kangxi: Yunti lead his army to Lhasa.
What does the statement of Buddhist temple imply? That since, Alexander wore silk garments, he is under the influence of Chinese culture? Cultures traditionally do not exist in isolation, your statement is moot.
Because Western Eurasia was militaristic, the kings there are great conquerors/warlords and base the legitimation of their rule on success in war. Eastern Eurasia had a different concept of legitimacy that made the rulers there less inclined to justify their position by trying to subdue as far away lands as possible. Subduing as far away lands as possible was the great achievement of the king Alexander and the reason why he remained celebrated for millenia among the militaristic cultures of Western and Central Asia.
Subjugating far away lands are in each emperor's mind. You seem to think that Qin was small, it is still 2.8 million square km compared to 5.2 at the greatest extent of the Macedonian empire. China itself is not a small land mass,
I also have my doubts about the celebrated nature of Alexander in western and central asia; certainly he is celebrated in western Europe and greece; but if you talk to a local Egyptian living in Alexandria, he will probably revere Ramses II more. If you are in Iran, most likely Cyrus the great; in Iraq, probably Saladin for his martial might and in India, the many Rajputs kings
The armies of Alexander and the later Qin are very similar. Both have infantry with long spears in combination with ranged weapons. Differences are the multi-role adaption of the Macedonians by being able to shorten the pikes into spears any moment and operate as more mobile troops. The crossbow was better developed in China than in Greece, but both cultures knew this weapon and its capabilities. I surmise that during the scouting prior to a war they would get to know the technical details of crossbow locks and spanning mechanisms that make all the difference.
The Qin army has no strong javelin armament in comparison to the Macedonians and is either a big levy or a force as well equipped and trained as the Macedonians, who had been fighting under more than one king in standing armies.
China had been at war for a long time, that is not the same as having giant standing armies, rather large militias. They did have smaller standing forces that were well trained and mobilized more troops on demand. Long spears and crossbows are excellent choices for mobilization, requiring little training for effective use.
I highlighted the issue already that each of these armies does have their areas of advantage over the other and the net effect in combat depends a lot on circumstances. Macedonia mindset would be different, having fought a plethora of different nations, while Chinese Warring states warfare is within a koine of rather similar opponents. Thus the Macedonians would be more prepared for all the surprises of such an encounter.
This is also very much not true since China is so big and each state had access to unique resources.
Northen states had access to the grass lands so had heavy cavalry - Zhou was famous for their mounted archers; Qin to the west had weaker horses, but had famous crossbowmen and dragoons (yes, mounted missile troops that dismounted to fight). Southern states had larger populations due to the climate and location and had much more skirmishers (batten shields with single edged blades), eastern states had navies and a strong marines that can do amphibious operations. central states tend to have much heavier infantry; whom wore much heavier armor than Qin's - carried 2 spears, 1 sword, 1 shield and were able to consistently march 20 li (roughly 10 km) with a few day's rations on their backs.
I also disagree that Alexander had the gastraphetes at his disposal, being hard to make and heavy, but for discussion sake, fine, they have a cross bow. What China did not have is sling shots and javelins, what Macedonia did not have are pikes, elastic slingshots and repeating cross bows.
Eastern Asia stayed rather secluded in military tradition because they were normally not a militaristic world trying to subjugate South and South East Asia.
You do know that China over various times did subjugate Nanyue to the south, Xiongnu to the east, Grouyue to the west and mongolia to the north. SEA was an entire tribute state to china. Are you suggesting that China should have taken Australia?