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 Greet Labor Day with both hands, let us share the joy together! SOCO wishes everyone a happy Labor Day in advance. Grain rain today Clear vision, precise treatment — make oral surgery more secure, all in Moricawa Precision’s new SCM660 operating microscope!