Senior Translator and Interpreter: Candidates have been engaged in translation and interpretation for a long time, have extensive scientific and cultural knowledge, reach advanced level in bilingual translation and interpretation, can solve major difficult problems arising in translation and interpretation and make great contributions to developing translating and interpreting undertakings and training translators and interpreters in both theory and practice.

Translator and Interpreter of Level 1: Candidates have rich scientific and cultural knowledge and a high competence for bilingual translation and interpretation, can be qualified for extensive and difficult translation and interpretation, solve difficult problems arising in translation and interpretation and are capable of interpreting at important international conferences or finalizing translations.

Translator and Interpreter of Level 2: Candidates have some scientific and cultural knowledge, have a good competence for bilingual translation and interpretation and are capable of translating and interpreting in some areas and with some difficulties.

Translator and Interpreter of Level 3: Candidates have rudimentary scientific and cultural knowledge and a general competence for bilingual translation and interpretation and can accomplish general translation work.

From http://www.catti.net.cn