Is there a left-handed calligrapher's association in China? Is it a regular calligraphy association? Is it authoritative?

China Zuobi Calligraphers' Association has been registered for many years, and it is a legal and formal association after inquiry. Many left-handed calligraphers in China recorded it. Gao in Qing Dynasty should be the originator of calligraphy, and modern calligraphy was received by Chairman Mao. Modern Li Yugang, vice chairman of China Zuobi Calligraphy Association, is a famous Zuobi calligrapher.