Are Sang Hongliang's paintings worth collecting?

Sang Hongliang's paintings are worth collecting. According to relevant public information, the collection index of Sang Hongliang's paintings: the collection value is extremely high, the teacher has a long-standing reputation and is old. It is impossible to collect first-line famous calligraphy works, and the probability of appreciation is extremely high. Sang Hongliang, male, Han nationality, 1940 was born in Tengzhou, Shandong Province, the hometown of Mozi in southern Shandong. June 1983 joined the China * * * production party, and July 1983 joined the work. Graduated from Shandong Normal University with a bachelor's degree in fine arts; Professor, vice president of China National Painting Academy, vice president of Shandong Normal University and doctoral supervisor of China Academy of Fine Arts; Enjoy the special government allowance of the State Council; Honorary Professor of Repin Academy of Fine Arts, Russia; Visiting Professor, Asai Gakuen University, Japan.