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Premium Stainless Steel Vacuum Flasks & Drinkware

OEM manufacturer of high-quality vacuum flasks, tumblers, sports bottles, soup jars, and coffee pots. Trusted by global brands since 2014. One-stop R&D, manufacturing, and export service.

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News: Visit us at Tokyo Gift Show, Sept 3–6, Booth T33–36, South Hall 4
Factory Overview

About CupFlask

Yongkang Cup Hardware Products Co., Ltd. is located in Yongkang City — the hardware capital of China. Just 2.5 hours by train from Shanghai and 1.5 hours from Hangzhou, our strategic location ensures efficient logistics and supply chain management.

With over 9 years of specialization in stainless steel drinkware, we manufacture up to 10,000 high-quality products daily. Our team of 200 skilled professionals includes dedicated R&D engineers and technical experts ready to support OEM and custom design projects.

9+
Years in Industry
10K+
Daily Output
200+
Employees
50+
Global Clients

Our Products

Explore our premium range of stainless steel vacuum flasks, tumblers, sports bottles, and more. All products are designed for durability, insulation performance, and modern aesthetics.

Stainless Vacuum Flask

Stainless Vacuum Flask

Double-wall vacuum insulation keeps drinks hot for 12h or cold for 24h. Leak-proof lid and ergonomic design.

  • • 500ml / 750ml / 1000ml options
  • • 18/8 Stainless Steel
  • • BPA-Free Lid
  • • OEM/ODM Supported
From $8.99 (MOQ 500 pcs)
Insulated Tumbler

Insulated Tumbler

Perfect for coffee, tea, or smoothies. Features a slide-lock lid and non-slip base for daily use.

  • • 12oz / 16oz / 20oz
  • • Sweat-proof Exterior
  • • Straw & Lid Included
  • • Custom Logo Printing
From $6.50 (MOQ 300 pcs)
Sports Water Bottle

Sports Water Bottle

Lightweight, shatterproof design with one-touch lid. Ideal for gym, hiking, or office use.

  • • 500ml / 750ml
  • • Tritan or Stainless Body
  • • Ergonomic Carry Handle
  • • Eco-Friendly Packaging
From $5.20 (MOQ 1000 pcs)
Soup Jar

Vacuum Soup Jar

Keep soups, stews, and noodles hot for hours. Wide mouth for easy filling and cleaning.

  • • 500ml / 750ml
  • • Double-Layer Insulation
  • • Leak-Proof Seal
  • • Food-Grade Stainless
From $7.80 (MOQ 500 pcs)
Coffee Pot

Stainless Coffee Pot

Ideal for offices and homes. Features a drip-free spout and heat-resistant handle.

  • • 1.0L / 1.5L / 2.0L
  • • 304 Stainless Steel
  • • Easy-Pour Design
  • • Dishwasher Safe
From $9.90 (MOQ 300 pcs)
Travel Mug

Travel Coffee Mug

Compact and spill-proof. Designed for commuters and travelers. Fits most car cup holders.

  • • 12oz / 16oz
  • • Push-Button Lid
  • • Silicone Grip Band
  • • Custom Color Options
From $5.80 (MOQ 500 pcs)
Kids Tumbler

Kids Insulated Tumbler

Fun colors and cartoon designs. Safe, durable, and perfect for school or outings.

  • • 10oz / 12oz
  • • Shatterproof Tritan
  • • Straw & Handle Included
  • • Non-Toxic Materials
From $4.90 (MOQ 1000 pcs)
Bounce Bottle

Bounce Bottle

Shock-absorbing silicone base. Designed to survive drops and outdoor adventures.

  • • 600ml / 800ml
  • • Silicone Bumper
  • • One-Hand Operation
  • • Military-Grade Durability
From $7.20 (MOQ 500 pcs)

Why Choose CupFlask?

We offer end-to-end service from design to delivery, ensuring quality, reliability, and competitive pricing.

R&D Expertise

In-house design and engineering team for custom product development and innovation.

Large-Scale Production

Daily output of 10,000+ units with strict QC processes and ISO-compliant manufacturing.

OEM/ODM Services

Full customization: logos, colors, packaging, and design. MOQs as low as 300 pcs.

Global Export

Shipped to Japan, USA, EU, Australia. FOB, CIF, DDP options available.

9+
Years Experience
200+
Employees
10K+
Daily Output
50+
Global Clients

Frequently Asked Questions

What materials do you use?

We use premium 18/8 (304) food-grade stainless steel for all vacuum products. Lids are BPA-free PP or Tritan plastic.

Can you do custom designs and logos?

Yes, we offer full OEM/ODM services including custom shapes, colors, embossing, laser engraving, and packaging design.

What is your minimum order quantity (MOQ)?

MOQ varies by product: 300–1000 pcs. We can accommodate smaller trial orders upon request.

How long does production take?

Typical lead time is 25–35 days after sample approval. Rush orders may be available.

Do you provide samples?

Yes, we offer paid samples for quality evaluation. Sample cost is refundable upon order confirmation.

What certifications do you have?

Our factory follows ISO standards. Products comply with FDA, LFGB, and EU food safety regulations.

Get in Touch

Ready to start your custom drinkware project? Contact our sales team for quotes, samples, and design support.

Email

[email protected]

Phone

0086-579-8783-5857

Location

Yongkang City, Zhejiang Province, China

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