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Premium Vacuum Flask Manufacturer

High-performance insulated drinkware for global brands. OEM/ODM services, bulk production, and custom promotional gift sets. Trusted by distributors worldwide.

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Manufacturing Excellence Since 2005

Yongkang Shiqiang Hardware Plastic Co., Ltd. is a leading manufacturer of vacuum flasks, insulated mugs, stainless steel bottles, and promotional drinkware. Located in Yongkang City, Zhejiang Province — China's hardware capital — we combine advanced production technology with strict quality control to deliver premium thermal solutions.

Our factory spans over 10,000 square meters and serves clients across North America, Europe, Australia, and Asia. With ISO-certified processes and a focus on innovation, we ensure every product meets international safety and performance standards.

100K+
Units Produced Monthly
50+
Global Clients
Factory production line Quality inspection Product packaging Finished products

Our Product Range

Engineered for performance, designed for branding

350 ML 450 ML vacuum thermos

350/450 ML Vacuum Thermos

Double lids | Long-term hot/cold retention | Powder coating | Multiple colors

Insulated Mug New
450 ml double wall stainless steel vacuum bottle

450 ML Vacuum Bottle

304 inner / 201 outer SS | Push button lid | Anti-slip base | Powder coated

Stainless Bottle
350 ml vacuum wine cup

350 ML Vacuum Wine Cup

304 inner / 201 outer SS | Detachable base | Paint coating | Color options

Wine Tumbler
260-700 ml single wall cups

Stackable Steel Cups

260/350/500/700 ml | Foldable design | Space-saving | Camping & travel

Single Wall Set

700 ML Vacuum Bottle

304 inner / 201 outer SS | Multiple lid options | Powder coated body

Large Capacity

Coffee Pot & Air Pot

Vacuum insulated | Commercial grade | Office & hospitality use

Bulk Brewing

Office Cup Series

Ergonomic design | Leak-proof | Modern finish | Corporate gifting

Professional Use

Promotional Gift Sets

Custom branding | Packaging design | OEM/ODM support | Bulk orders

Branded Solutions
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Why Choose SQMUG?

Reliable manufacturing with global standards

Quality Assurance

ISO-certified production with rigorous testing for insulation, leakage, and material safety.

Custom Branding

Full OEM/ODM support including logo printing, color customization, and packaging design.

Global Shipping

Efficient logistics network with sea, air, and express options to North America, Europe, and beyond.

Advanced Production

Fully automated vacuum insulation, welding, and coating lines for consistent quality.

Trusted Partner

Long-term relationships with distributors and brands across 30+ countries.

Bulk & Wholesale

Competitive pricing for large orders with flexible MOQs and fast turnaround.

18+
Years Experience
10,000+
M² Factory
30+
Countries Served
500+
Product Designs

Frequently Asked Questions

What materials do you use for your vacuum flasks?

We primarily use food-grade 304 stainless steel for inner liners and 201 or 304 for outer shells. All materials are lead-free and meet international safety standards.

Can you customize the color and logo?

Yes, we offer full customization including powder coating in any Pantone color, laser engraving, silk screening, and embossing for logos and branding.

What is your minimum order quantity (MOQ)?

MOQ varies by product type but typically starts at 500–1000 units per model and color. We offer lower MOQs for repeat customers.

Do you provide samples?

Yes, we provide samples for quality evaluation. Sample fees apply but are refundable upon order confirmation.

How long does production and shipping take?

Production time is typically 25–35 days after sample approval. Shipping varies: 15–25 days by sea, 5–10 days by air.

Ready to Partner With Us?

Contact SQMUG today for catalogs, pricing, and custom solutions.

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