China has been sitting atop the Tokyo 2020 medal table with 36 golds and 79 in total, and according to the China Aerospace Science and Technology Corporation (CASC), competitors had some high-tech help on their way to Tokyo. That's lead to China winning three gold, two silver and one bronze in the pool, an improvement from the 2016 Games, where the swimming team took home one gold, two silver and three bronze medals.
Using "aerospace measurement products" six world champions, including women's 200m butterfly winner Zhang Yufei and the gold medal winning women's 4×200m freestyle relay team, refined their techniques for the 2020 Games not just in the pool or gym.