One of the twenty-four solar terms in China, on November 7 or 8. China takes Lidong as the beginning of winter FacebookTwitterLinkedInWhatsAppPrev: SOCO|2020 Shanghai Exhibition ended successfully, see you next time!Next: SOCO|Working position of the upper left posterior area and basic skills of the oral mirrorRelatedNational Day, celebrate the rapid changes of our great motherland!Mid-Autumn Festival, happiness is with youSOCO|Double Festival Holiday Announcement!!!