When looking for a high-quality foil container manufacturer, consider the following factors:

1. Experience: Look for manufacturers with a long history in the industry, as they are more likely to understand quality requirements and market needs.

2. Material Quality: Ensure they use food-grade aluminum that meets safety standards.

3. Customization Options: A good manufacturer should offer a variety of sizes, shapes, and designs, as well as customization options like printing.

4. Certifications: Check for certifications such as ISO or FDA approval, which indicate adherence to quality and safety standards.

5. Customer Reviews: Research customer testimonials and reviews to gauge satisfaction and product quality.

6. Sustainability Practices: Consider manufacturers that prioritize eco-friendly materials and practices.

7. Production Capacity: Ensure they can meet your demand, whether you're looking for small batches or large-scale production.

Some notable manufacturers in the foil container industry include:

• Reynolds Group Holdings
• Alufoil Products Co.
• Dart Container Corporation
• Pactiv Evergreen

Always request samples before making a bulk order to evaluate the quality firsthand.