A bit off topic from your post, but I'm curious how far your Mandarin studies took you. Did you ever make any headway into Business Chinese and/or do you know o

A bit off topic from your post, but I'm curious how far your Mandarin studies took you. Did you ever make any headway into Business Chinese and/or do you know of any good resources for that? I'm a native bilingual Mandarin/English speaker, and worked abroad in Shanghai for a year or so, but am still lacking a lot of professional business vocabulary.