Dear Sir/Madam,, I am interested in joining you as a freelancer. Kindly see my attached Resume. As a Chinese language degree holder, I am currently a full time translator in medical field, as well as a freelance bilingual (English to Simplified Chinese/Traditional Chinese) translator, transcriber, subtitler, word editor and copywriter, and proofreader with total experience of over 9 years (from 2014). My previous jobs were from various industries, including medical, media and entertainment, banking and finance, manufacturing, tourism, food and beverage and more. 
My rate would be: translation-$0.015 per word ; transcription-$2.00 per minute ; subtitling-$3.50 per minute ; proofreading-$0.010 per word. I wish that you could give my application a serious consideration. I really hope to be given a chance to work with you on long-term basis. Be it with negotiation on rate or working opportunity, I hope to hear from you soon. Thank you.