About Us
Wuyi Yi Hai Daily Necessities Co., Ltd. is a manufacturing enterprise specializing in the production of stainless steel insulated cups. We mainly serve mid to high end customers, providing services to different customers, including brand customers and gift market customers.
Our products are characterized by the most advanced technology and strict quality control. Each thermos cup is carefully crafted and has excellent insulation performance, which can maintain the temperature of the beverage for a long time. We take pride in creating products that combine functionality with elegant design, which attract customers' refined taste.
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WHY
CHOOSE US
Committed to providing first-class products and services, aiming to establish long-term cooperative relationships with every customer.
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Facility TechnologyEquipped with the most advanced facilities and cutting-edge manufacturing technology, ensuring that every stainless steel insulated cup is made to perfection.
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Quality ControlCharacterized by the most advanced technology and strict quality control. Each insulated cup is carefully crafted and has excellent insulation performance.
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Customized ServiceCan handle large-scale orders while providing flexible customization options to meet the needs of different customers.
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Broad MarketThe regional markets for product sales include North America; South America; Australia; Europe; Middle East; Japan and South Korea.
Featuring excellent insulation
and elegant aesthetics
We provide customized solutions to help them strengthen their brand image through unique and high-quality insulated cups.
Our hot sale products
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![8oz 12oz Stainless Steel Office Coffee Mug]( "8oz 12oz Stainless Steel Office Coffee Mug")
8oz 12oz Stainless Steel Office Coffee MugCapacity:8oz/12oz
Material:18/8 Stainless Steel
Insulation:Keeps liquid hot for 6hours and cold for 12hours
Minimum Order Quantity:100pcs... -
![40oz Bling Rhinestone Stainless Steel Insulated Tumbler with Straw]( "40oz Bling Rhinestone Stainless Steel Insulated Tumbler with Straw")
40oz Bling Rhinestone Stainless Steel Insulated Tumbler with StrawCapacity: 14oz,20oz,30oz,40oz
Material: Premium 18/8 (304) Food Grade Stainless Steel
Function: Keeps Hot for 6-8 hours and Cold for 12-24... -
![Stainless Steel Coffee Tumbler with Handle]( "Stainless Steel Coffee Tumbler with Handle")
Stainless Steel Coffee Tumbler with HandleCapacity: 10oz,12oz,14oz,16oz,20oz,24oz,30oz
Material: 304 Stainless Steel
Insulation: Keeps beverage cold and hot
Packing: Standard white... -
![20 OZ Stainless Steel Tumbler with Leakproof Lid]( "20 OZ Stainless Steel Tumbler with Leakproof Lid")
20 OZ Stainless Steel Tumbler with Leakproof LidCapacity:20oz/600ml
Material:18/8 Stainless Steel
Insulation: Keeps hot and cold for 12hours
MOQ:100pcs per color
Lead time:... -
![30 OZ Stainless Steel Tumbler]( "30 OZ Stainless Steel Tumbler")
30 OZ Stainless Steel TumblerCapacity: 30oz/900ml
Material: 18/8 Stainless Steel
Vacuum Insulated Tumbler: Double walled design keeps hot for 12 hours and cold for 24... -
![Stainless Steel Water Bottle Wide Mouth]( "Stainless Steel Water Bottle Wide Mouth")
Stainless Steel Water Bottle Wide MouthCapacity:12oz/18oz/22oz/24oz/25oz/32oz/40oz/64oz
Material:18/8 Stainless Steel
Insulation:Double walled keeps beverage hot for 12hours,cold for... -
![Stainless Steel Water Bottle Freesip]( "Stainless Steel Water Bottle Freesip")
Stainless Steel Water Bottle Freesip1️⃣ Innovative Freesip Lid – Designed for easy one-handed drinking, no need to unscrew the lid. Perfect for commuting, gym sessions, and outdoor...
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![12oz 14oz 16oz Stainless Steel Can Cooler Skinny]( "12oz 14oz 16oz Stainless Steel Can Cooler Skinny")
12oz 14oz 16oz Stainless Steel Can Cooler Skinny✅ Designed for Slim Cans – Perfectly made to hold 12oz, 14oz, and 16oz skinny cans, keeping your favorite seltzers, energy drinks, and cocktails...
We attend international trade shows every year, connecting with distributors
and
brands worldwide.
🟦 Trusted by Global Buyers 🟦 Meet Us at Worldwide Exhibitions 🟦
Face-to-Face with Our Partners）
Latest news and events
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![Yihai Announces Its Participation in ASD Market Week Las Vegas 2026]()
Mar 18, 2026Yihai Announces Its Participation in ASD Market Week Las Vegas 2026Yihai is proud to announce its successful participation in the renowned ASD Market Week in Las Vegas, one of the largest and most influential B2B trade shows...view more -
![How Long Can An Insulated Water Bottle Keep Drinks Hot Or Cold?]()
Jan 14, 2026How Long Can An Insulated Water Bottle Keep Drinks Hot Or Cold?A Complete Performance Guide for Daily Use in the U.S. Market Over the past decade, insulated water bottles have evolved from simple drink containers into es...view more -
![Sublimation Oven Vs. Tumbler Press For Custom Tumblers]()
Nov 26, 2025Sublimation Oven Vs. Tumbler Press For Custom TumblersThe custom drinkware industry is thriving-growing at a CAGR of 8% annually-with personalized stainless steel tumblers, branded ceramic mugs, and custom water...view more
