Very professional. Yu Biao decided on the painting and calligraphy major. Teacher Yu Biao is now Beijing Bin? Chairman of Cultural Development Co., Ltd., special guest of CCTV2 "A Gateball" column, and special expert of calligraphy and painting appraisal of Hebei Satellite TV City Channel "Pinzhen" column. He is a famous expert in the identification of jewelry, jade and swastika in the industry.