Teacher CY is a professional software trainer of CATIA and ALIAS, and also an excellent structural and A-plane engineer. CATIA technology and its application training courses have been held in major enterprises all over the country 100, with more than 10000 trainees. 20 14 online education CY class was established, and currently there are more than 10000 online students. Has been serving automobile product development, automobile body structure design, automobile A surface design, automobile design technical support, CATIA automobile application and training, and has rich teaching and practical experience. Moreover, Mr. He CY is one of the most prolific painters in P Station. He has a thick painting technique with personal characteristics, which can make the visual expression of each work shocking.