Excellent animation! Its whole story, animation technique and the main roles' setting are ranked in the first class. I think it can be ranked in the level of Disney or Pixar. I give this animation 9/10 as it is almost satisfying except for some a little fabricated dialogue lines. Another important merit is this Chinese animation is a realistic one concentrating on the current local Chinese society, without any Chinese legends' background such as Sun Wukong or Ne Zha, which means the comic producers in Chinese more and more independent and powerful.
Some so-called Chinese patriotic audience, trolls actually, said the animation is a humiliation to China because the leading roles have long-small-evil eyes like "The Mandarin" in Marvel Universe. Oh come on! Aren't you too sensitive to ignore the true nature of this passionate movie?
The proper way of defending one's country is to make great achievements with so-called characteristics rather than crying out like a baby or cursing online or accusing that you were humiliated. Characteristics like your appearance are your born nature, nothing good, nothing bad, it is unnecessary to express patriotism or hatred to the country with them, and if others do, just ignore them because this is stupid nonsense. Think about the story of the label "Made in Germany", which was first used to mark the poorly-produced goods from Germany because of their lower quality. However, German people tried their best and later made the label became the mark of best quality. See? Did German cried and accused that was a humiliation to Germany? No, of course not, it can only be useless. Only by hard-working and making higher achievements can you change the way others comment on you and eliminate the so-called "humiliation".