One-on-one training in Putonghua education is good. The course arrangement is not bad, which can take care of the different schedules of most parents. Yan array education is the national brand of Putonghua education and training in China. Has been committed to helping individuals and institutions pass the Putonghua exam, adhering to the educational concept that Putonghua has no national boundaries, strong teachers, accurate market positioning and professional education methods, and has rapidly developed into an educational brand deeply loved by users in China.