Jiangsu KIWL Machinery Manufacturing Group Co., Ltd is one of the most professional manufacturers and suppliers of 3347mm aluminum wine bottle caps in China. Please rest assured to wholesale high quality 3347mm aluminum wine bottle caps from our factory. Contact us for more details.
Product Description

These caps are ideal for wineries and premium brands seeking a sophisticated alternative to traditional closures. Available in various finishes, including brushed, polished, and anodized options, they can be customized with branding, logos, or unique textures for enhanced shelf appeal.
Durable and corrosion-resistant, they provide long-term protection while elevating the unboxing experience. Perfect for still and sparkling wines, these aluminum caps combine innovation with luxury for a premium packaging solution.
Product Parameters
| Use | Wine Bottles |
| Product Name | 33*47mm Aluminum Bottle Cap |
| Delivery Time | 30-40Days |
| MOQ | 50000Pcs |
| Samples | Freely Provide |
| Logo | Accept Custom Logo |
| Personalized | Accept |
| Color | Custom Color |
| Material | Aluminum |
| Place of Origen | Shandong,China |
| Size | 33*47mm |
Product Details

1.exquisite craftsmanship
This bottle cap is crafted from high-purity aluminum, formed through multiple precision molding processes to exhibit outstanding toughness and anti-aging properties. The base material has received authoritative SGS certification, fully complying with EU food contact material regulations and eliminating the risk of any toxic substance migration. A unique continuous annealing process renders the aluminum's internal structure more uniform and stable, which not only ensures the longevity of the final product but also creates ideal conditions for subsequent decorative processes.
2. Top Protection System
The cap's structure features an ergonomic design, complemented by micron-level precision machining, to achieve a flawless, seamless fit with the container's mouth. Its innovative triple-seal technology establishes a three-dimensional protective barrier, completely blocking the ingress of external gases and moisture. Rigorously verified by an independent third-party laboratory, its airtightness performance has reached an industry-leading benchmark, significantly extending the beverage's optimal flavor window. It is particularly suited for reserve wines requiring aging, providing robust protection for the product's intrinsic value.


Enriched Decoration Processes
The cap offers diverse customization choices: Ombré Coating for smooth color transitions and fade-resistant hues; Metallization Plating for a luxurious gold or silver finish; and Laser Etching for ultra-fine, intricate detailing.
Each decorative technique undergoes rigorous durability testing to guarantee scratch and corrosion resistance, maintaining pristine appearance over time. Brands can freely mix and match finishes based on their market strategy, crafting distinctive packaging that elevates visual appeal and consumer recognition.
Exclusive customization solutions
We offer end-to-end customization, from initial concept to final production, including brand engraving, unique mold design, and non-standard sizing. With expert design consultants and automated manufacturing systems, we swiftly adapt to diverse customization requests.
From 3D prototyping to mass production, every stage is overseen by dedicated specialists. Whether for craft brewers or global beverage brands, we deliver tailored packaging solutions that enhance brand identity and create a competitive edge in the market.

Process & Design

1. Design the bottle cap: The bottle cap's initial design is created through sketches, balancing ergonomics, visual appeal, and brand alignment to ensure market competitiveness.
2. Modeling: Advanced CAD software converts sketches into a precise 3D model, enabling dimensional fine-tuning and virtual testing before prototyping.
3. Rendering: High-resolution rendering simulates material finishes and lighting effects, revealing design refinements needed for optimal appearance.
4. Handboard of Printing: A 3D-printed prototype validates the cap's tactile experience, ergonomics, and structural integrity through hands-on evaluation.
5. Confirmation of cutting die data for bottle caps: Precision mold specifications are locked in, ensuring mass-produced caps meet exact design tolerances and functional requirements.
6. Bottle cap logo design: Custom logos or embossing are incorporated, enhancing shelf impact while maintaining the cap's technical performance.
7. Final Product: After iterative testing, the finalized cap enters production, delivering seamless functionality and distinctive branding to end users
Why Choose Us?

Our Company
Jiangsu KIWL Machinery Manufacturing Group Co., Ltd. is a leading producer and worldwide distributor of premium beverage packaging solutions, specializing in spirits and wine closures as well as custom glass containers. We dedicate ourselves to crafting high-performance packaging systems tailored specifically for alcoholic drinks.
Leveraging our certified manufacturing alliances, we offer end-to-end packaging services – from creative design to large-scale production – supported by efficient global logistics. Our team excels in creating technically superior closures that combine innovative functionality with elegant aesthetics, meeting the stringent demands of international wine and spirits brands.
Our Packing
At Jiangsu KIWL Machinery Manufacturing Group Co., Ltd., we fully understand that efficient and reliable logistics are crucial to ensuring customer satisfaction. With years of international trade experience, we have accumulated extensive knowledge in transport management, and we are highly proficient in both sea freight and air freight. We have established long-term and stable partnerships with multiple reputable international logistics providers. This allows us to tailor the optimal transportation solution for you based on your cargo characteristics, time requirements, and budget considerations. Whether it's cost-effective sea freight for large-volume shipments or expedited air freight for urgent orders, we meticulously manage every detail, from customs declaration and clearance to shipment tracking, ensuring your products arrive safely and on time worldwide. Choosing us means choosing an experienced and trustworthy logistics partner.


Our Exihibition
We have extensive experience in trade shows, and each participation has been a successful marketing practice. Over the years, we have accumulated the ability to handle various trade show environments and challenges, from booth design and product display to on-site interaction. We are well-versed in the rhythm of trade shows and the expectations of attendees, always able to seize opportunities quickly and effectively promote our brand and products.
At the same time, we are extremely familiar with all kinds of products involved in our company. Whether it's small accessories like bottle stoppers and caps, containers with a certain design sense such as perfume bottles and borosilicate glass bottles, or products like labels and cartons, we can introduce their characteristics, advantages, and applicable scenarios in detail. Our team members can accurately answer various technical questions and customization needs raised by customers, providing professional advice and solutions. With this familiarity and professionalism, we can establish good communication with customers at trade shows and create more cooperation opportunities.
Our Certificates
Jiangsu KIWL Machinery Manufacturing Group Co., Ltd.stands apart in the industry through its impressive array of globally recognized accreditations, holding ISO 9001, BRCGS, and FDA certifications, complemented by over 30 patented innovations. These achievements reflect our steadfast dedication to manufacturing excellence, consistent quality control, and sustainable production methodologies.
Through cutting-edge automated production lines and eco-conscious manufacturing processes, we guarantee superior product performance and operational efficiency across every stage - from initial design and material development to precision manufacturing and after-sales support. Our extensive product lineup strictly complies with international safety standards and regional regulatory requirements.

FAQ

01.Can you provide customized bottle cap solutions for our brand?
02.What certifications and quality standards do your bottle caps comply with?
We hold ISO 9001, BRCGS, and FDA certifications, along with multiple proprietary technology patents. Our products meet the strictest international safety and compliance standards, including those for food-grade materials and sustainable manufacturing. Each batch undergoes rigorous quality control to ensure consistency and reliability.
03.What materials do you use for bottle caps and are they eco-friendly?
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