Certified Translation of Free Sale Certificate

I'm in need of a certified translation service for a Free Sale Certificate originating from China. The document is written in English with Chinese stamps. All content, both Chinese and English, needs to be translated into Spanish.

Key Requirements:
- Translate all Chinese and English content into Spanish
- Provide a certified translation
- Deliver the translated document in PDF format

Ideal Skills and Experience:
- Proficiency in Chinese, English, and Spanish
- Experience with certified translations
- Ability to deliver high-quality PDF documents