In a recent interview on crash of Japan’s F-35, Chinese military expert Song Xinzhi said, “American’s design of F-35 has big problems, and this is fundamental.”
Expert Cao Weidong thinks that J-20 fighter’s better than F-35 in multiple aspects, especially in terms of hang time and loading capacity. Besides, J-20 is also better in motility, air range, air-to-ground attack and air combating.