Jiangsu KIWL Machinery Manufacturing Group Co., Ltd is one of the most professional manufacturers and suppliers of 33*47mm ropp aluminum cap in China. Please rest assured to wholesale high quality 33*47mm ropp aluminum cap from our factory. Contact us for more details.
Products Description

33×47mm Aluminum Bottle Caps with Dual Liner Options These premium 33×47mm aluminum caps feature precision engineering for luxury beverage packaging. Crafted from high-grade aluminum, they offer superior corrosion resistance and customizable metallic finishes in gold, silver or colored variants. The caps come with two sealing options: standard oxygen-barrier liners for reliable preservation, or glass ball inserts designed specifically for controlled pouring of spirits. The glass ball version creates a distinctive "click" sound upon opening, adding sensory appeal to premium liquor packaging. Manufactured in ISO-certified facilities, these tamper-evident caps meet international safety standards while allowing for custom embossing and anti-counterfeit features. Ideal for whiskey, vodka and high-end liqueurs, the 33×47mm size ensures perfect compatibility with premium bottles. The aluminum construction guarantees durability while maintaining elegant aesthetics, making these caps the perfect choice for brands seeking to elevate their packaging with functional sophistication.
Products Details
Production Features

1. Material and Appearance Design
This 3347mm aluminum bottle cap is crafted from high-grade aluminum, offering excellent corrosion resistance and structural strength. The surface supports various metallic finishes, including gold, silver, and other customizable color options to meet diverse brand visual needs. Its precision manufacturing not only ensures durability but also gives the cap a premium and refined appearance, effectively elevating the overall packaging quality of the product.
2.Sealing Liner Options and Functional Features
The bottle cap offers two sealing liner solutions: a standard oxygen barrier liner, ideal for beverages requiring long-term preservation such as wine and premium spirits; and a glass ball liner, designed to control pouring, particularly suitable for spirits bottles. The glass delivering a pleasant sensory experience for consumers and strengthening brand recall.


3.Production Standards and Security Features
Manufactured in ISO-certified facilities, this aluminum cap adheres strictly to international safety standards and features tamper-evident designs to ensure product security during transportation and sales. Additionally, the cap supports custom embossing and anti-counterfeiting functions such as brand logo relief and unique serial codes, helping brands combat counterfeit products and protect market integrity and consumer trust.
4.Application Scenarios and Brand Value
With its 3347mm size, the cap is perfectly compatible with various high-end liquor bottles, especially suitable for packaging premium spirits such as whiskey, vodka, and liqueurs. Whether for regular sales, limited editions, or the gift market, this cap strikes an ideal balance between functionality and aesthetics, helping brands build a premium image, enhance product value, and stand out as the preferred choice for brands pursuing sophisticated packaging.

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Company Profile
Jiangsu KIWL Machinery Manufacturing Group Co., Ltd. is a professional manufacturer specializing in packaging solutions. The company offers a diverse range, including reliable bottle stoppers and caps, exquisite perfume bottles for the premium market, high-quality borosilicate glass bottles with heat and corrosion resistance, attractive labels to enhance product recognition, and sturdy cartons for secure transportation. Equipped with advanced production technology and strict quality control, its products are exported to many countries. With a customer-centric approach and commitment to innovation, Shandong KIWL strives to provide one-stop packaging solutions and has earned a strong reputation in the industry.
Exhibition
Our Company stands as a trusted name in the packaging industry, known for delivering high-quality and innovative packaging solutions tailored to diverse market needs. The company specializes in crafting precision-engineered bottle caps, elegant glass containers, and durable borosilicate products suitable for various sectors. With a robust global distribution network, Shandong KIWL ensures timely delivery and exceptional service to clients worldwide. By prioritizing technological advancement and sustainable practices, the company continuously enhances its product offerings. Its unwavering dedication to quality and customer satisfaction has solidified its position as a preferred partner in the international packaging market.


Certification
Our company holds multiple authoritative industry certifications, including ISO9001 Quality Management System, ISO14001 Environmental Management System, CE certification, and several product patents. These qualifications not only reflect our strict control over production management and product quality but also demonstrate our strong commitment to environmental protection and technological innovation. We consistently adhere to high standards throughout the entire process of R&D, production, and service, ensuring that we provide safe, reliable, and compliant products to our clients. Choosing us means choosing a trustworthy partner dedicated to quality and sustainable development.
Packing & Delivery
With years of expertise in the international logistics industry, we specialize in delivering seamless freight solutions across sea, air, and land transportation. Our services are designed to accommodate a wide range of shipping requirements, from bulk ocean cargo to urgent air freight and agile ground distribution. Backed by a robust global agent network, a skilled operations team, and strict quality controls, we guarantee secure and punctual delivery of all shipments. Leveraging our in-depth knowledge of trade regulations and customs processes, we efficiently manage complex logistical challenges to optimize costs and boost supply chain performance. Partnering with us ensures a dependable, streamlined, and efficient global logistics experience.

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