High-Performance Vacuum Insulated Tumblers
Direct from our 50,000㎡ modernized factory in Zhejiang. We empower global brands with precision engineering and rapid bulk supply capabilities.
Precision Engineering & Expert Chinese Team
R&D Innovation
Advanced Design & Rapid Prototyping
Quality Control
Strict ISO 9001 Inspection Process
Automated Production
High-Volume Professional Workshop
Global Supply
Large-Scale Smart Logistics CenterEngineering Excellence in Every Detail
Explore our specialized drinkware collections designed for durability, style, and superior insulation performance.
Precision Driven, Quality Proven
From raw material sourcing to final packaging, our 4-stage quality control system ensures that every GENSDA product meets international food-grade standards.
Raw Material Audit
Every batch of SUS 304/316 stainless steel undergoes chemical analysis to ensure 100% purity and maximum corrosion resistance.
Precision Laser Welding
Utilizing advanced automated laser welding technology to ensure seamless joints and superior structural integrity for every tumbler.
Multi-Stage Vacuum Test
Products undergo three rounds of intensive vacuum performance testing over 24 hours to guarantee lifelong thermal efficiency.
Final Coating & Inspection
Automated eco-friendly coating lines followed by a manual 360° visual inspection for surface perfection and logo clarity.
Your Premier Partner in Insulated Technology
For over 25 years, GENSDA has been at the forefront of the vacuum insulated drinkware industry. Our 50,000㎡ state-of-the-art manufacturing facility combines advanced automation with handcrafted precision.
To provide safe, durable, and eco-friendly hydration solutions for a sustainable future.
100% in-house production ensuring the highest food-grade safety standards (FDA/LFGB).
25+
Years Experience
50,000+
Factory Area (㎡)
120,000+
Monthly Capacity
300+
Skilled Staff
Our Strategic Partnerships
International Compliance & Quality Standards
ISO 9001:2015
Standardized quality management ensuring production consistency.
BSCI AUDITED
Ensuring ethical sourcing and social responsibility across our chain.
FDA & LFGB
Full compliance with US and EU food safety material standards.
100% FOOD GRADE
Using premium SUS 304/316 stainless steel for maximum safety.
Inside GENSDA: News & Events
GENSDA Showcases New Designs at Canton Fair
Our expert team presented the latest vacuum technology and innovative tumbler designs to global buyers at the 139th Canton Fair...
READ MORE →
New Fully Automated Production Line Operational
To meet the growing global demand, we have successfully expanded our production capacity with high-precision automated lines...
READ MORE →
Advancing Sustainability: Recyclable Material Research
GENSDA's R&D center has achieved a major breakthrough in developing 100% recyclable insulation materials for next-gen bottles...
READ MORE →Our Commitment to a Greener Future
At GENSDA, manufacturing excellence goes hand-in-hand with environmental responsibility. We are actively reducing our carbon footprint through solar energy and 100% recyclable materials.
Ready to Scale Your Drinkware Business?
Partner with China's leading manufacturing base for custom insulated tumblers. Your global project starts here.
WHY CHOOSE TUMBLERWHOLESALE
ODM & OEM Ability
R&D team introduces 450+ new designs annually. 2D/3D drawings within 24h.
Efficient Production
Automated lines and robotic systems ensuring stable lead times and costs.
Global Compliance
FDA, LFGB standards. Factories audited by BSCI, ISO9001, and GRS.
