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Premium Stainless Steel Insulated Cups & Bottles

Wuyi Yi Hai Daily Necessities Co., Ltd. is a leading manufacturer specializing in high-quality insulated stainless steel tumblers, mugs, water bottles, and can coolers. Trusted by brands across North America, Europe, Australia, and Asia.

Insulated Tumbler
Factory and Production

About Yihaicup

Wuyi Yi Hai Daily Necessities Co., Ltd. is a manufacturing enterprise specializing in the production of stainless steel insulated cups. We serve mid-to-high-end customers, including brand partners and gift market clients across global markets.

Our products are crafted with the most advanced technology and strict quality control. Each thermos cup is designed for excellent insulation performance—keeping beverages hot or cold for hours—while combining functionality with elegant design.

  • Premium 18/8 Food-Grade Stainless Steel
  • Double-Wall Vacuum Insulation
  • BPA-Free & Eco-Friendly Materials
  • Custom Branding & Packaging Available

Why Choose Us

We are committed to delivering first-class products and services, building long-term partnerships with clients worldwide.

Advanced Facility Technology

Equipped with cutting-edge manufacturing technology and automated production lines to ensure precision and consistency in every product.

Strict Quality Control

Every insulated cup undergoes rigorous testing for insulation performance, leak resistance, and durability before shipment.

Customized Service

From logo engraving to custom colors and packaging, we offer flexible OEM/ODM solutions tailored to your brand identity.

Our Products

High-performance insulated drinkware crafted for style, durability, and temperature retention.

Insulated Tumbler with Straw

Insulated Tumbler with Straw (14oz–40oz)

  • ✅ 18/8 Stainless Steel Construction
  • ✅ Double-wall vacuum insulation
  • ✅ Leakproof push-button lid
  • ✅ Includes reusable straw
  • ✅ Fits most car cup holders
30oz Stainless Steel Tumbler

30oz Stainless Steel Tumbler

  • ✅ Large capacity for all-day hydration
  • ✅ Ergonomic design with handle
  • ✅ Keeps drinks hot/cold for 12+ hours
  • ✅ Scratch-resistant powder coating
  • ✅ Ideal for travel and office use
Coffee Tumbler with Handle

Stainless Steel Coffee Tumbler with Handle

  • ✅ Designed for coffee lovers
  • ✅ Preserves aroma and flavor
  • ✅ Comfortable handle for easy grip
  • ✅ Dual lid options (sip & straw)
  • ✅ 18/8 food-grade stainless steel
20oz Leakproof Tumbler

20oz Tumbler with Leakproof Lid

  • ✅ Dual lid designs (sip/straw/magslider)
  • ✅ Push-open lid for hot drinks
  • ✅ No-spill design for on-the-go
  • ✅ Vacuum insulated for 12h heat retention
  • ✅ Compact base fits standard cup holders
Milk Mug

8oz–12oz Stainless Steel Milk Mug

  • ✅ Ideal for milk, hot chocolate, or tea
  • ✅ Compact and lightweight
  • ✅ Rust-resistant and easy to clean
  • ✅ Elegant finish for home or office
  • ✅ BPA-free and eco-friendly
Wide Mouth Water Bottle

Stainless Steel Water Bottle (Wide Mouth)

  • ✅ Easy to fill and clean
  • ✅ Durable 18/8 stainless steel
  • ✅ Sweat-free exterior
  • ✅ Perfect for gym, hiking, or daily use
  • ✅ Available in multiple sizes
Freesip Water Bottle

Freesip Stainless Steel Water Bottle

  • ✅ Innovative one-handed lid
  • ✅ No need to unscrew for drinking
  • ✅ Ideal for commuting and outdoor activities
  • ✅ Leakproof and dust-resistant
  • ✅ Ergonomic carry handle
Can Cooler

12oz–16oz Stainless Steel Can Cooler

  • ✅ Keeps cans cold for hours
  • ✅ Slim, portable design
  • ✅ Fits standard soda and beer cans
  • ✅ Custom branding available
  • ✅ Great for events and promotions
50+
Global Markets
10M+
Units Annually
15+
Years Experience
99.8%
Customer Satisfaction

Frequently Asked Questions

What materials are your products made from?

All our tumblers, mugs, and bottles are made from premium 18/8 food-grade stainless steel, ensuring durability, rust resistance, and safety for daily use.

Can you customize the design and logo?

Yes, we offer full OEM/ODM services including custom colors, logo engraving, packaging, and shape modifications to meet your brand requirements.

What is your minimum order quantity (MOQ)?

Our standard MOQ is 500 units per design, but we can discuss flexible options based on your needs.

Which regions do you ship to?

We export globally, including North America, South America, Europe, Australia, the Middle East, Japan, and South Korea.

How long does production and shipping take?

Production time is typically 25–35 days after order confirmation. Shipping time varies by destination and method (air or sea).

Get in Touch

Have questions or ready to start a project? Contact us today for a quote or product samples.

Phone: +8615766263397
Email: Clover@yihaicup.com

Zhejiang Jinhua Wuyi Quanxi Town Research Achievement Transformation Center Small And Micro Enterprise Park (within Wuyi Shuimusen Lake Intelligent Technology Co., Ltd.)

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