Explore high-performance 304 food-grade stainless steel tumblers, vacuum flasks, and custom drinkware directly from our audited manufacturing facility.
Heavy-capacity single-wall ergonomic hydration vessel designed for extreme durability and high volume cold beverage consumption.
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Double-wall vacuum insulated mug featuring integrated ergonomic handle, leak-resistant sip straw lid, and custom finish options.
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EU compliant high-retention vacuum tumbler tested to strict CE thermal safety and food contact chemical standards.
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Specialized double-wall insulated South American mate gourd crafted from food-grade 18/8 stainless steel.
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Classic ergonomic cola-shaped thermal flask engineered with copper-lined vacuum chamber for 24-hour temperature preservation.
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Industrial-grade insulated mug designed for wholesale importers seeking robust construction and powder-coated aesthetics.
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Modern lifestyle drinkware available in customizable Pantone pastel shades, high-durability powder coating, and OEM branding.
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Multi-size commercial sports flask line tailored for e-commerce brands requiring FBA-compliant packaging and high review metrics.
Request Factory QuoteWuyi Dongyi Dailysupplies Co., Ltd. is headquartered in Wuyi County, Zhejiang Province, China—a world-renowned hardware and drinkware manufacturing hub. We specialize in the research, engineering, vacuum insulation development, and precision manufacturing of premium food-grade stainless steel tumblers, travel mugs, sports bottles, cups, jugs, and double-walled vacuum containers.
Equipped with state-of-the-art automated vacuum brazing furnaces, high-precision hydraulic stretch presses, laser welding systems, and strict Quality Management Systems (QMS), our expert engineering team delivers end-to-end OEM and ODM services. From single-walled promotional metal cups to complex double-walled thermal insulated vessels, our facility operates under rigorous international compliance standards to guarantee mechanical safety, heat retention efficiency, and chemical neutrality.
Analyzing macroeconomic shifts, consumer behavior, and regulatory pressures re-shaping the B2B stainless steel drinkware supply chain.
Consumer preference has rapidly transitioned toward large-capacity thermal tumblers equipped with ergonomic side handles and multi-functional straw lids. B2B buyers require manufacturers capable of deep-drawing heavy metal sheets without wall thinning or insulation failure.
Strict legislative bans on single-use plastics across the European Union and North America have forced major retailers, corporate brands, and outdoor equipment distributors to source non-toxic, 100% recyclable 304/316 stainless steel drinking vessels.
Importers face stringent enforcement regarding heavy metal migration (lead, cadmium, nickel, phthalates). Securing validated CE Certification and LFGB test compliance is paramount to avoid customs seizures and brand liability.
Understanding the material composition, thermal dissipation barrier physics, and mechanical engineering behind Wuyi Dongyi's CE-certified cups.
| Engineering Metric | Standard Commercial Grade | Wuyi Dongyi Enterprise Spec (304 / 316) | B2B Performance Advantage |
|---|---|---|---|
| Raw Material Composition | Recycled 201 Stainless Steel (High Mn, Low Ni) | Austenitic 18/8 (304) or 18/10/2 (316) Stainless Steel | Superior corrosion resistance, zero toxic metallic leaching, 100% food safety. |
| Vacuum Level Pressure | 1.0 x 10^-1 Pa (Basic air extraction) | < 1.0 x 10^-3 Pa (High-vacuum industrial furnace) | Prevents thermal convection; preserves heat 12+ hrs, ice 24+ hrs. |
| Internal Radiation Barrier | Bare metal inner wall reflection | Copper Plating Layer on Vacuum Side Inner Wall | Reflects infrared heat rays back into beverage, minimizing thermal radiation loss. |
| Getter Technology | None or minimal chemical getter | Zirconium-based High-Efficiency Vacuum Getter | Absorbs residual trace gases over time, extending product vacuum lifetime to 5+ years. |
| Internal Surface Treatment | Standard acid pickling | Automated Electro-Polishing & Passivation | Creates ultra-smooth non-porous surface, preventing flavor retention and bacteria buildup. |
In the European Single Market, CE Marking demonstrates that a product has been evaluated by the manufacturer and deemed to meet EU safety, health, and environmental protection requirements. For thermal stainless steel cups and vacuum drinkware, CE validation involves rigorous testing under:
A high-performance vacuum tumbler consists of two concentric stainless steel shells joined at the neck and base by precision fiber-laser welding. The interstitial air gap is evacuated inside a specialized continuous vacuum furnace at temperatures exceeding 1000°C.
By removing gas molecules from the cavity, thermal conduction and convection are eliminated. The addition of an electro-plated copper layer on the exterior surface of the inner vessel stops thermal radiation, while a getter alloy maintains high vacuum integrity over years of commercial use.
Our standardized production workflow guarantees zero-defect manufacturing, full traceability, and swift order execution for global buyers.
Clients submit design ideas or technical drawings. Our R&D department generates 3D CAD renders, material density analyses, and rapid prototype samples for immediate approval.
High-grade 304 stainless steel coils undergo precision cutting, hydraulic deep-drawing, pipe swelling, and trimming to form seamless inner and outer container shells.
Inner and outer shells are assembled, base getter inserted, and seam-welded by multi-axis lasers before entering high-temperature continuous vacuum brazing chambers.
Every single cup passes through automated infrared thermal imaging sensors to measure insulation heat retention. Defective non-insulating cups are instantly ejected.
Cups undergo automated electrostatic powder coating, spray painting, water transfer printing, digital UV printing, or precision laser engraving per customer specifications.
Strict AQL 1.5 / 4.0 inspection for visual appearance, seal tightness, and lid assembly before eco-friendly custom box packaging and global freight loading.
Serving premier brands, retail chains, and wholesale distributors across North America, Europe, South America, the Middle East, and Southeast Asia.
Since our establishment, Wuyi Dongyi Dailysupplies Co., Ltd. has adhered steadfastly to our core tenets: "Quality First, Service First". Through persistent engineering innovation and client-centric collaboration, we have built trusted relationships with global B2B partners.
Our dedicated project management team focuses on supplying modern, versatile, and high-margin product solutions. With customized surface coating colors, creative tactile patterns, proprietary laser logos, and newly engineered functional lid mechanisms (including dual-sip flip lids and leakproof straw closures), our products maintain maximum market competitiveness.
Complete contract manufacturing matching your exact technical specifications and Pantone guidelines.
Turnkey product design from sketch, CAD modeling, and 3D printing to mass mold production.
Worldwide Logistics & Direct Factory Delivery Coverage
Differentiate your brand with advanced surface treatments, custom lid ergonomics, and premium packaging options.
Highly durable, scratch-resistant textured finish that provides non-slip grip and vibrant matte colors capable of enduring commercial dishwasher cycles.
Enables full-wrap gradient graphics, tactile embossed logos, and complex artwork execution without expensive printing plate setup fees.
Permanent metallic branding that exposes the underlying bright 304 stainless steel layer, delivering a sleek, luxury corporate aesthetic.
BPA-free AS/Tritan co-polyester lids with leakproof silicone gaskets, 3-in-1 rotatable sip closures, magnetic sliders, and integrated straws.
Ensuring frictionless global customs entry, zero chemical liability, and carbon reduction compliance for eco-conscious enterprises.
All raw metal batches, silicone seal rings, and plastic lids undergo third-party laboratory verification (SGS, TUV, Intertek) to ensure 100% compliance with U.S. FDA 21 CFR 175.300 and German LFGB § 30 & 31 standard requirements.
Traditional low-cost vacuum sealing utilized lead pellets. Wuyi Dongyi employs 100% lead-free glass bead micro-vacuum sealing technology, eliminating toxic heavy metal risks in accordance with EU RoHS and REACH regulations.
Our factory implements energy-efficient vacuum furnaces and closed-loop water recycling systems for metal polishing. Metal off-cuts and scrap steel are 100% recycled back into primary industrial steel supply chains.
Pioneering future-ready hydration technologies through continuous R&D and smart manufacturing integration.
Integration of low-power digital touch displays into vessel lids, giving consumers real-time temperature readouts and hydration tracking alerts.
Advanced metal thinning stretch processes reducing container weight by up to 25% while maintaining structural rigidity and double-wall thermal retention performance.
Transitioning from fossil-fuel derived plastics to ISCC-certified bio-circular polymers and PCR (Post-Consumer Recycled) Tritan materials for total eco-harmony.
Clear engineering and commercial answers to assist supply chain directors, brand managers, and procurement officers.
Additional top-selling stainless steel tumblers, egg-shaped mugs, skinny cups, and heavy-duty outdoor thermal flasks.
Stemless wine and espresso thermal mug featuring ergonomic curved geometry and splash-proof lid options.
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Heavy-duty wide-mouth athletic hydration flask with straw lid, paracord handle compatibility, and rugged powder coat finish.
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Universal vehicle cupholder compatible thermal coffee tumbler engineered for commuter convenience and heat retention.
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Stylish tapered neck cola bottle providing superior ice preservation and leakproof seals for active outdoor sports.
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Versatile outdoor sports bottle available in multiple volume capacities with interchangeable spout, chug, and straw lids.
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Extra-large half-gallon thermal growler built for camping, outdoor recreation, and prolonged thermal insulation requirements.
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Traditional design fused with modern vacuum stainless steel metallurgy for perfect thermal equilibrium and easy cleaning.
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Bestselling commercial coffee cup engineered with double-wall copper vacuum insulation and clear Tritan slide lid.
Request Factory QuotePartner with Wuyi Dongyi Dailysupplies Co., Ltd. for factory-direct pricing, certified CE/EU compliance, and industry-leading OEM/ODM vacuum insulation manufacturing.
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