One of the twenty-four solar terms in China, on November 7 or 8. China takes Lidong as the beginning of winter FacebookTwitterLinkedInWhatsApp Prev: 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 mirror Related Happy new year! The laba Rice Porridge Festival! Merry Chrismas!