Top 10 Thermos Manufacturers in China for 2025

China makes the most thermos bottles, insulated tumblers, and vacuum flasks. It makes a lot of different kinds of these products for both the domestic and international markets.

In 2025, buyers who want quality, dependability, and the ability to customize their purchases will have a lot of options. This article looks at the top 10 thermos makers in China, pointing out their pros and cons and making Diller a good choice for buyers who want to buy small amounts of thermoses or focus on a brand.

1. Haers

Strengths:

• Large production capacity with mature manufacturing technology.

• Wide variety of materials and finishes, including stainless steel, glass, and Tritan.

• Strong international presence.

Weaknesses:

• Higher MOQs and pricing may not suit small brands.

• Limited flexibility for rapid design changes.

Best for: Large-scale OEM/ODM orders.

2. Zhejiang Cayi

Strengths:

• Well-established manufacturer with robust supply chain.

• Multiple certifications for export compliance.

Weaknesses:

• Limited original design; focuses on standard molds.

Best for: Bulk orders and standardized products.

3. KingStar Industries

Strengths:

• High-end customization capabilities, including unique molds and designs.

• Strong R&D team for small-batch innovation.

Weaknesses:

• Higher price points and MOQs.

Best for: Premium brands or gift products.

4. Fuguang

Strengths:

• Established brand with decades of experience.

• Wide range of materials (metal, glass, plastic).

Weaknesses:

• Less flexible for small-batch or rapid-turnaround orders.

Best for: Large retailers and traditional channels.

5. Everich

Strengths:

• Experienced with cross-border e-commerce brands.

• Automated production ensures cost efficiency and stable supply.

Weaknesses:

• High-end finishing (like complex coatings) may be limited.

Best for: E-commerce brands and small-batch sellers.

6. Maxlink

Strengths:

• Focus on design, brand experience, and eco-friendly materials.

• Suitable for retail and gift markets.

Weaknesses:

• Higher prices due to design-focused production.

Best for: Brands prioritizing aesthetics and sustainability.

7. LaiKoe

Strengths:

• Located in Yongkang, a major thermos production hub.

• Strong quality control and local supply chain advantages.

Weaknesses:

• Flexibility for very small batches may need confirmation.

Best for: Buyers needing consistent quality and hands-on support.

8. Auland

Strengths:

• Certified materials (FDA, LFGB, SGS).

• Fast turnaround for cross-border orders.

Weaknesses:

• Brand recognition is lower internationally.

Best for: Small-batch international orders with compliance needs.

9. Diller

Strengths:

• Flexible customization with low MOQs (as low as 50 pieces).

• Multiple material options (304/316L stainless steel, Tritan).

• Dedicated design team for fast product iteration.

• Ideal for e-commerce brands and small brands wanting brand-specific products.

Weaknesses:

• Large-scale orders with complex finishes may require lead-time confirmation.

• Certifications should be verified per batch (SGS, FDA, LFGB).

Best for: Small brands, fast-moving e-commerce sellers, and personalized gift products.

10. Other Emerging Manufacturers

Several new manufacturers specialize in smart bottles, children’s bottles, and niche designs. When considering these, buyers should verify certifications and production capabilities for their target markets.

Quick Comparison Table