Academic Paper Translation Proofreading

I'm seeking a professional translator to proofread my academic paper translated into Spanish, Chinese, and Japanese. The paper is based in the field of Business and Economics.

Ideal candidates should be:
- Proficient in Spanish, Chinese, and Japanese
- Experienced in proofreading academic papers
- Knowledgeable in Business and Economics

Your role will primarily involve ensuring the translated versions of the paper are grammatically correct, coherent, and maintain the original paper's intent and tone. Previous experience in proofreading academic papers in these languages is a plus. Please provide relevant samples of your work.