Translation of Sales Letter from Portuguese to Spanish

I need a professional translator to convert a sales letter from Portuguese Brasil to Spanish. The ideal candidate should have experience in sales letter translation and a good understanding of both languages' nuances and persuasive techniques.

Key Requirements:
- Translate the letter in a way that maintains its persuasive tone and intent
- Ensure the translation is suitable for a Spanish-speaking audience
- Deliver the project in a timely manner

Please demonstrate your translation experience in your proposal.