China Mobile has signed four-time Olympic champion Wang Meng , who attracted a huge volume of attention and online traffic during the Beijing 2022 Winter Olympic Games, to be a regular commentator for its streaming platform Migu , the world's biggest mobile operator said on Monday. New and veteran athletes, including skateboarding stars Gu Ailing and Su Yiming and speed skating veteran Wang , have propelled winter sports to thrive in China , boosting the ice economy as well as demand for ski resorts and ice rinks in the domestic market, industry officials said. Wang 's commentary on the Migu…