Is Chekuo Calligrapher a member of China Calligraphy Association?

No, there is no calligrapher with a wide car in the list of personnel of the Art Committee and the Eighth Professional Committee published by China Calligraphers Association, so the calligrapher with a wide car is not from China Calligraphers Association. Calligrapher (mbth) refers to a person who is good at calligraphy and can push it to the artistic level.