2022第九屆中國(guó)(北京)國(guó)際老年產(chǎn)業(yè)博覽會(huì),
The 2022 ninth China (Beijing) International Aged industry Expo
2022第九屆中國(guó)(北京)國(guó)際智慧養(yǎng)老產(chǎn)業(yè)展覽會(huì),
2022 the 9th China (Beijing) International Smart elderly care industry exhibition