On December 6, 2019, the 4-day Automechanika Shanghai & Chentai Nano Product Recommendation Meeting concluded successfully. Every participant of Chentai Filter Paper gained a lot. From the initial setting of every small detail in the exhibition hall to the last moment at the end of the exhibition, Chentai devoted its dedication and enthusiasm to achieving the best possible effect of this exhibition. Particularly, the promotion of the new-generation nanoproducts of Chentai achieved the expected results and was appreciated and affirmed by professionals from all walks of life.