In today's rapidly evolving global consumer hydration market, the demand for enterprise-grade Original Design Manufacturing (ODM) and Original Equipment Manufacturing (OEM) in stainless steel vacuum drinkware has reached an unprecedented scale. Driven by stringent international environmental regulations banning single-use plastics—such as the European Union’s Single-Use Plastics Directive and municipal sustainability mandates across North America—brands, retail conglomerates, and corporate distributors require supply chain partners capable of delivering exceptional thermal engineering, absolute food-contact safety, and high-precision customization.
Wuyi Dongyi Dailysupplies Co., Ltd stands at the technological forefront of this industrial transition. Located in the world-renowned hardware manufacturing hub of Wuyi County, Zhejiang Province, China, our manufacturing infrastructure synthesizes advanced vacuum evacuation physics, automated robotic welding, eco-friendly powder coating technologies, and rigorous quality assurance frameworks compliant with global regulatory bodies (FDA, LFGB, REACH, CE). This technical paper serves as a comprehensive guide for global procurement directors, product developers, and brand owners seeking to understand the core engineering principles, supply chain efficiencies, and strategic advantages of partnering with an industry-leading ODM water flask bottle manufacturer.
Every product manufactured by Wuyi Dongyi Dailysupplies Co., Ltd undergoes a multi-tier Quality Assurance protocol. Our double-wall stainless steel vacuum vessels are built using virgin austenitic 18/8 (SUS304) stainless steel, guaranteeing zero toxic leaching, high corrosion resistance, zero flavor retention, and structural durability under extreme field conditions.
Utilizing high-grade Chromium-Nickel austenitic stainless steel (18% Chromium, 8% Nickel), offering non-magnetic properties, resistance to intergranular corrosion, and structural stability across thermal gradients ranging from -40°C to +400°C.
To eliminate radiant heat transfer, an ultra-thin micro-layer of electro-plated copper is applied to the exterior of the inner wall inside the vacuum cavity. This reflects infrared thermal waves back into the beverage chamber, extending thermal insulation performance by 35%.
Using industrial multi-stage high-vacuum furnace technology, air particles between the inner and outer steel walls are extracted down to a pressure of 10^-3 Pa. Getters are activated during sealing to absorb residual micro-gasses over years of use.
Electrostatic powder coating provides a tactile, sweat-proof, anti-scratch exterior texture. Solvent-free processing ensures compliance with environmental standards, preventing peeling, chipping, or fading under dishwashing conditions.
| Parameter / Specification | Dongyi Standard Vacuum Flask | Single-Wall Standard Bottle | Competitive Commercial Grade |
|---|---|---|---|
| Inner Liner Alloy | Food-Grade SUS304 / SUS316 | SUS201 / Low Grade SS | SUS304 Standard |
| Thermal Retention (Hot 95°C Start) | > 68°C after 12 Hours | Ambient Temp in 2 Hours | > 55°C after 12 Hours |
| Cold Retention (0°C Ice Start) | < 8°C after 24 Hours | Ambient Temp in 3 Hours | < 12°C after 24 Hours |
| Vacuum Cavity Coating | Reflective Copper Plating Layer | None (No Vacuum) | Basic Bare Vacuum Layer |
| Coating Durability | 50+ Commercial Dishwasher Cycles | Hand-wash Only | 20 Commercial Dishwasher Cycles |
Supply chain agility and risk mitigation are top priorities for global procurement teams. Operating within the world's most concentrated hardware manufacturing ecosystem in Zhejiang Province, Wuyi Dongyi Dailysupplies Co., Ltd leverages localized vertical integration to streamline production processes.
Primary Requirements: Rapid fluid delivery, impact resilience, sweat-proof exterior grip, single-hand flip lid activation.
ODM Customization Solution: Wide-mouth 32oz/40oz insulated flasks with ergonomic silicone boot protection, high-flow straw lids, and powder-coated textured finishes ideal for gym setups and cross-training environments.
Primary Requirements: Massive liquid volume, extreme temperature hold under direct sunlight or sub-zero climates, heavy-duty drop durability.
ODM Customization Solution: Heavy-gauge 64oz double-wall insulated jugs equipped with integrated stainless steel handles, leak-proof screw caps, and dual-opening pouring spouts for rugged wilderness environments.
Primary Requirements: Fits standard automobile cup holders, elegant aesthetic, leak-proof design inside laptop bags, premium mouthfeel.
ODM Customization Solution: 20oz Skinny Tumblers and 30oz Hydra Quencher tumblers featuring laser-engraved branding, subtle pastel coating palette, and multi-drinking position spill-proof lids.
Primary Requirements: Specialized geometry preserving traditional beverage preparation, precise thermal insulation without flavor cross-contamination.
ODM Customization Solution: 8oz Mini Yerba Mate Gourds and double-walled egg-shaped wine tumblers featuring electropolished inner walls that preserve rich botanical notes and prevent residual odors.
Wuyi Dongyi Dailysupplies Co., Ltd is located in the beautiful Wuyi county, Zhejiang Province, China. It is specialized in production, research and development of kinds of food grade stainless steel tumblers, mugs, bottles, cups, jugs and containers, etc, both double-walled vacuum insulation construction and single wall construction are included. We have advanced production machines and testing equipments, strict quality controlling system, and professional team of research & development with much experience in this field.
From the establishing, our company obey the principles all the time: Quality First, Service First. We have had cooperation with many customers from USA, Europe, South America, Middle East, Southeast Asia, etc. Our professional team aim at providing vogue and versatile products, high quality and complete service, which makes us gained the good reputation from most clients and fast growing up in the past. OEM and ODM are ok. and other cooperation ways with you are also welcomed by us. With the customized surface coating colours, creative pattern & logo, new model functional lids, our goods are very attractive and popular in market. The food grade stainless steel material, high and durable quality, fashion premium outlooking, and all-round service, all these elements enable our products are competitive and welcomed.
In 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 the persistent efforts, to achieving more trust and orders from market together with all the customers. If you have any question or needs in this field, please feel free to contact us. We hope your esteemed companies and us will both have the more magnificent future.
We provide OEM and ODM services to meet the personalized needs of our customers. Whether it is surface coating color, creative pattern or customized logo, we can create a unique product for you to help you stand out in the market.
Our products are made of food-grade stainless steel to ensure safety and durability. We strictly control production quality and are committed to providing customers with high-quality products to enhance customer trust and satisfaction.
We have a professional service team that provides one-stop service from consultation to after-sales. No matter what problems you encounter during the procurement process, we will wholeheartedly support you and ensure that your needs are met in a timely manner.
Our products not only focus on stylish appearance, but also have multifunctionality. The new functional lid design improves the practicality of the product, making it more competitive in the market and attracting more consumers.
We have established good cooperative relationships with customers from many regions including the United States, Europe, South America, the Middle East and Southeast Asia. We welcome more ways of cooperation to jointly develop a broader market with you.
Send us an inquiry via email or our online form detailing your specific ODM requirements, target capacity, quantity, and branding expectations.
Receive a comprehensive price quotation and engage in direct communication with our dedicated technical sales and R&D engineering team.
Obtain detailed technical data sheets with customized solutions, 3D CAD modeling, and rapid pre-production physical samples for client approval.
Place your official batch order. Continuous in-line vacuum testing and automatic robotic painting ensure prompt production and flawless execution.
Access online or onsite technical support as needed, complete with full export packaging, customs compliance, and freight arrangement.
Enjoy comprehensive after-sales service, quality guarantee protection, and ongoing collaborative design upgrades for future product iterations.
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