Elderly people practice Taiji at a community care center for the elderly in Lanshan District, Rizhao, east China's Shandong Province, Feb. 27, 2022. Lanshan District of Rizhao City has set up care centers since 2021, providing assistance and care to the elderly people over 60 years old.(Photo: Xinhua)

The number of people aged 60 years and above in Beijing in 2021 for the first time accounted ... Alternator Bearing

Crankshaft Bearing In the Chinese mainland, 13 provinces, municipalities and regions have now recorded more than 20 percent of their ...