The Stainless Steel Double Wall Vacuum Flask is designed for coffee brands, promotional gift suppliers, retail distributors, and outdoor drinkware wholesalers, providing reliable temperature retention, food-grade safety, and flexible OEM/ODM customization for global markets.
Product Features
Double-Wall Vacuum Insulation: Minimizes heat transfer to preserve beverage temperatures (hot/cold) while eliminating exterior condensation.
Food-Grade Stainless Steel: Built with SUS304/SUS316 interior for rust resistance, zero odor transfer, and daily food-contact safety.
Leak-Resistant Lid: Threaded precision seal prevents leakage during transport and handling.
Key Attributes
|
Feature |
Eco-Friendly, Various Capacity,Portable |
||
|
Applicable people |
All |
Bottle Type |
Tumbler |
|
Drinkware type |
Vacuum Flasks & Thermoses |
Shape |
Round |
|
Thermal insulation performance |
6-12 hours |
Style |
Classic |
|
Place of origin |
China |
Production |
Stainless Steel Double Wall Vacuum Flask |
|
Brand name |
JIAKAI or Customized |
Colour |
Various |
|
Materials |
Stainless steel |
Capacity |
Various |
|
Thermal insulation performance |
Thermal Insulation |
Water Flowing Method |
Direct Drinking |
|
Usage |
Drink Coffee Water Tea |
Function |
Keep Drink Hot Cold |
|
Payment terms |
30% prepayment, 70% against BL copy |
Delivery |
20-35 days after deposit |
|
Place of Dispatch |
Ningbo |
MOQ |
500PCS |
Applications
Retail & E-commerce: Supermarket chains, retail brands, and online private-label stores.
Corporate & Promotional: Corporate gifts, branded giveaways, and promotional suppliers.
Food Service & Hospitality: Coffee shops, hotels, catering, and beverage stations.
Wholesale & Distribution: Import wholesalers, distributors, and outdoor gear suppliers.
Customization Options
We provide flexible OEM & ODM manufacturing services.
|
Item |
Custom Options |
|
Logo |
Laser Engraving, Silk Printing, UV Printing |
|
Capacity |
Various Sizes |
|
Surface Finish |
Powder Coating, Spray Painting, Matte, Glossy |
|
Color |
Pantone Custom Colors |
|
Lid Design |
Flip Lid, Screw Lid, Drinking Lid |
|
Packaging |
Color Box, Gift Box, Mail Box, PDQ Display |
|
Barcode & Labels |
Available |
|
OEM Brand |
Supported |
|
ODM Development |
Supported |
Quality Control Process
Raw Material Inspection (IQC)
• Material Analysis: Spectrometric verification of SUS304/SUS316 food-grade stainless steel.
• Component Audit: Tolerance checks on silicone seals, plastic lids, and handles.
In-Process Quality Control (IPQC)
• Welding Integrity: Structural checks on body forming and automated welds.
• Vacuum Monitoring: In-line thermal pressure checks during vacuum extraction.
• Surface Check: Coating adhesion and defect inspection post-finishing.
Finished Product Testing (FQC)
• Thermal Performance: Batch testing for 24–36 hour vacuum retention.
• Leak Testing: 100% inverted static pressure checks on assembled carafes.
• Mechanical Fatigue: Lid thread cycle and drop tests on random samples.
Pre-Shipment Audit (OQC)
• Visual Audit: Final check for coating defects or scratches.
• Packaging Inspection: Master carton strength, barcode readability, and protective packaging audits.
Why Choose Us
Intelligent Manufacturing Scale: Over 500,000 m² modern manufacturing space ensuring efficient fulfillment of major international orders.
Recognized R&D Excellence: Winner of 100+ top international design awards (Red Dot/iF) and holder of 200+ innovation patents.
Extensive Export Footprint: Trusted across South America, Southeast Asia, Arabia, and Africa, backed by our recognized brand "JIAKAI".
Comprehensive Service Support: Serving 700+ worldwide partners with reliable spare parts replacement and technical care.
Ordering Process
Inquiry & Specification Alignment: Submit custom requirements (logo, finish, capacity, packaging).
Quoting & Pre-Production Sampling: Receive formal quote and approve physical/digital pre-production samples.
Order Confirmation & Production: Finalize commercial terms and deposit to begin mass manufacturing.
Quality Audit & Pre-Shipment Check: Batch inspection during and post-production as per specified QC criteria.
Customs Clearance & Delivery: Dispatch with complete export shipping documentation.
FAQ
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