Explore our core bulk-manufacturing inventory engineered for superior thermal retention, ergonomic utility, and full corporate customization.
The macro-shift toward sustainable, non-toxic, and high-performance reusable drinkware is driving record growth across global retail, outdoor, and corporate merchandise sectors.
Modern consumers require drinkware that bridges the gap between active lifestyle durability and workplace aesthetic sophistication. Premium stainless steel mugs (ranging from 8oz espresso gourds to 40oz and 48oz hydration tumblers) must demonstrate precision vacuum insulation technology. Enterprise buyers demand zero sweat exteriors, copper-plated lining for heat radiation reflection, and BPA-free functional lids that support multiple drinking configurations (direct sip, straw integrated, and flip-lock sealing).
Global brands and retail chains face mounting pressure regarding material safety and compliance. Sourcing from certified manufacturers guarantees that products meet strict FDA (USA), LFGB (Germany), REACH (EU), and CE safety standards. B2B procurement strategies prioritize manufacturers offering full traceability, automated robotic welding, non-toxic powder coating lines, and rigorous AQL 1.0/2.5 quality control standards to eliminate supply chain friction and product recalls.
Located in the industrial hub of Wuyi County, Zhejiang Province, China, Wuyi Dongyi Dailysupplies Co., Ltd stands as an industry-leading manufacturer specialized in the production, research, and technical development of food-grade stainless steel tumblers, mugs, bottles, cups, jugs, and specialized vacuum containers.
Our production ecosystem encompasses both single-wall construction and high-vacuum double-walled thermal insulation architectures. Powered by advanced automated forming machines, laser welding lines, micro-evacuation vacuum testing rigs, and automated powder-coating units, our strict quality management system guarantees superior structural durability, pristine finishes, and uncompromised thermal retention across every unit shipped.
A granular look at the materials, vacuum science, and surface engineering that power our world-class stainless steel drinkware manufacturing.
Composed of 18% Chromium and 8% Nickel, SUS304 provides extreme corrosion resistance, zero metallic flavor transfer, and robust mechanical strength under cold work forming processes.
Our dual-chamber vacuum extraction operates at temperatures exceeding 500°C to strip out gas molecules, achieving internal vacuum pressures down to 10-3 Pa for optimum heat insulation.
The exterior of the inner 304 liner is electro-plated with an ultra-thin copper layer, reflecting infrared thermal radiation back into the beverage, extending hot retention up to 12 hours.
| Material / Technical Spec | SUS304 Stainless Steel | SUS316 Medical Grade | Standard Commercial Plastics |
|---|---|---|---|
| Corrosion & Acid Resistance | Excellent (High Chromium/Nickel) | Superior (Added Molybdenum) | Degrades with Acidic Liquors |
| Thermal Stability | -200°C to +800°C | -200°C to +900°C | Distorts above 80°C |
| Leaching / Odor Migration | 0% Odor Retention | 0% Odor Retention | High Risk of Chemical Leaching |
| Surface Finish Versatility | Powder Coating, Sublimation, UV | Electropolished, PVD Mirror | Molded Color Only |
Transforming complex enterprise product requirements into market-ready retail products through custom tooling, ergonomic lid engineering, and bespoke surface treatments.
We engineer custom powder coatings, tactile matte finishes, gradient spray coats, 3D digital UV printing, and laser-engraved branding. Our coatings endure 50+ commercial dishwasher cycles without flaking.
From multi-drinking 3-in-1 rotatable straw lids to spill-proof flip caps and magnetic seal closures, our R&D department crafts high-precision injection-molded components using food-grade Tritan and silicone seals.
Designed for large volume tumblers (30oz, 40oz, 48oz), our reinforced ergonomic handles offer optimal weight balance, dual-injection rubberized grips, and rock-solid mechanical attachment point geometry.
Supplying Tier-1 retailers, global brands, and wholesale distributors across North America, Europe, South America, the Middle East, and Southeast Asia.
Since our establishment, our company has strictly adhered to the foundational principles: Quality First, Service First. We have fostered long-term strategic relationships with buyers across the United States, Europe, South America, the Middle East, and Southeast Asia.
Our dedicated team aims to supply vogue, versatile, high-durability products paired with full lifecycle customer support. OEM and ODM partnerships are seamless, and we warmly welcome custom project co-development. Through creative custom surface colors, unique graphics, and highly practical lid designs, our products command strong shelf appeal worldwide.
Relying on advanced manufacturing concepts and total quality assurance.
From initial inquiry to final delivery, our systematic workflow ensures fast prototyping, strict quality control, and seamless international shipping.
Send us your product specification inquiry via email or our direct online business communication portals.
Receive comprehensive tiered pricing, minimum order quantities (MOQ), and initial engineering feedback from our technical sales team.
Obtain detailed technical drawings, rendering specs, and rapid physical samples tailored with your custom logos and colors.
Confirm tooling, sign commercial production agreements, and initiate high-speed automated mass manufacturing.
Access live production updates, inline AQL inspections, micro-vacuum isolation validation, and rapid global freight dispatch.
Benefit from total technical backing, replacement guarantees, and long-term re-order account management support.
Technical answers to common questions asked by B2B buyers, supply chain directors, and retail brand product managers.
Our standard MOQ for standard catalog colors starts at 500-1,000 units. For fully customized PMS color matching, custom mold development, or total packaging overhauls, the standard MOQ typically ranges from 2,000 to 3,000 units depending on the complexity of the design.
Every batch undergoes 100% thermal testing at two distinct stages: once immediately following high-vacuum furnace extraction, and again after exterior surface coating. We utilize high-precision thermal imaging and laser sensors to detect micro-leaks prior to final packing.
Yes. All metal components are crafted from premium food-grade 18/8 (SUS304) or SUS316 stainless steel. Lids and straws are manufactured using 100% BPA-free Tritan, PP, and food-contact grade silicone, fully meeting FDA, LFGB, REACH, and RoHS regulatory standards.
We provide durable powder coating, glossy electroplating, rubberized soft-touch painting, heat transfer printing, 360-degree UV digital printing, laser etching, and custom water-transfer decal application.
Explore additional high-demand vacuum flasks, cola-style bottles, and specialized drinkware solutions direct from our factory floor.
In the future, Wuyi Dongyi Dailysupplies Co., Ltd will still obey the tenets: Quality First, Service First. Our company will always supply better products and better service through persistent efforts to achieve mutual growth with all global customers. Contact our engineering and sales team today to request custom quotes, technical data sheets, or prototyping support.
Dongyi
