First of all, I suggest you take the teacher qualification certificate to prove your teaching ability;
Then, take the professional certificate.
(1) TEM-TEM-TEM-TEM-TEM-TEM-TEM-TEM-TEM-TEM-TEM-TEM-TEM-TEM-TEM-TEM-TEM-TEM-TEM
(2)CET-CET-CET-CET-CET-CET-CET-CET-CET-CET-CET-CET-CET-CET-CET-CET-CET-CET-CET-CET-CET
(3) PETS-National Public English Examination-sponsored by the Examination Center of the Ministry of Education, is a non-academic English certificate examination for the society and all citizens. This is a proficiency test to test candidates' English communication ability. According to the difficulty, it is divided into 1 B, 1, 2, 3, 4 and 5.
(4)BEC- Business English Certificate Examination-The Examination Center of the Ministry of Education cooperates with the Examination Committee of Cambridge University. The ability of candidates to use English in general working environment and business activities is comprehensively investigated from four aspects: listening, speaking, reading and writing. The Examination Committee of Cambridge University in the UK is responsible for setting papers, marking papers and issuing certificates, while the Examination Center of China Ministry of Education is responsible for registering, printing papers and organizing examinations. Provide standardized and unified grade certificates issued by the examination Committee of Cambridge University in the United Kingdom to those who pass the examination. There are three levels: elementary, intermediate and advanced.
(5) CATTI-National Translation Professional Qualification Examination-is the most authoritative translation professional qualification (level) certification in China, which is divided into four levels: level three, level two, level one interpretation translation and advanced translation. Those who pass the examination will be awarded the People's Republic of China (PRC) Translation Professional Qualification (Level) Certificate by the Ministry of Personnel.
(6) NAETI-National Certificate Examination for Foreign Language Translation-organized by the Examination Center of the Ministry of Education in cooperation with Beijing Foreign Studies University, mainly tests candidates' translation and interpretation abilities. At present, only one language is English.