We are sourcing for large quantities of Rock Crystals Aluminum Alum Odor Eliminators (for use in refrigerators) that is customized to our requirement and design.In your response, please provide the following:1. Company information2. Country of Origin3. Patent Products (if any)4. Evidence / Certification / Test Reports on Non-Toxic, Odor Elimination / Odor Absorption.5. Approved for safety and hypoallergenic with skin5. Any other certifications?6. Any special awards?6. Is factory FDA, ISO or GMP?We are seeking for a long term business relationship. Your quick responses would be much appreciated. Once we have reached certain business understanding, we would like a face to face meeting and factory visit.Certification Requirements: ISO, GMP, FDA factory, other any certificationCountry:Singapore