In the exhibition venue, blue booths were set up one after another. At the booth of Oingdao Tune Technology Co., LTD. (Qingdao tune Technology Co., LTD.), the negotiation table covered with white tablecloths was filled with materials and water bottles. Staff and visitors communicated face to face. Pink decorations added to the atmosphere. It reflects the functions of exhibitions in promoting enterprise display, business negotiation and industry exchange, and serves as a platform for enterprises to promote products, expand business and gain insights into industry trends.