It is the first time for national ice hockey matches to be held in Qinghai on the Qinghai-Tibet Plateau, and is also a breakthrough in holding high-profile ice hockey events in high-altitude regions of the world.
McDonald tried to play more aggressively in the third set, but it was too late and not enough to overturn a match against the greatest ever tennis player on clay.
The two sides were locked in a stalemate at the beginning of the third set but after reaching a tie of five, Shanghai scored six in a row and finally won the third 25-19 to reach the semifinals.
"My goal was to reach the podium, but I didn't expect to win the title," said Song.
First, the Brazil international forward thumped in a close-range effort after Giorgian de Arrascaeta's attempt was parried clear by Jorge Pinos. Then, he ran onto Arrascaeta's superb one-touch pass and rounded Pinos before calmly caressing a shot into an empty net from the edge of the penalty area.
Barbosa was forced off with an ankle injury at half-time, and his replacement Henrique took his chance by netting twice in the space of 20 minutes.
In the Changzhou division, 10-man Changchun Yatai came from behind to beat Sichuan Jiuniu 3-1.
In the constructors' standings, Mercedes remains well out in front with 366 points, ahead of Red Bull on 192 points and McLaren on 106.
Betis' horrible night was completed eight minutes from time when Alissa Mandi was sent off for two yellow cards to leave his side to play out the final minutes with 10 men.
The hosts dominated early as Jorge Recalde scored either side of a Carlos Sanchez penalty at the Manuel Ferreira stadium in Paraguayan capital Asuncion.
"It's obviously an honor to play at the center court, playing against David, he is a great player. I know him very well, we're good friends, so it's not easy."