Are Du Changxiang's calligraphy and painting all the best and worth collecting?

Yes Du Changxiang, member of Chinese Folk Painting and Calligraphy Research Association, president of Yi Hui Painting and Calligraphy Institute in Shandong Province, vice president of Foshan Painting and Calligraphy Institute in Qilu, Shandong Province, member of Shandong Changle County Calligraphers Association and Changle County Artists Association. Calligraphy is good at calligraphy, painting is good at landscapes, and he has participated in many national and local calligraphy and painting exhibitions and won awards. Member of China Folk Painting and Calligraphy Research Association, President of Yi Hui Painting and Calligraphy Institute, Vice President of Shandong Qilu Foshan Painting and Calligraphy Institute, member of Shandong Changle County Calligraphers Association, and member of Changle County Artists Association. Calligraphy and painting have won awards and are highly collectible.