Qingdao Wandefa International Trade Co., Ltd.

Product Categories

The products include Crown Cap, Wine bottle cap, Aluminum screw cap, PVC capsules, corks, metal lug cap, Ring pull cap, all size of plastic bottle cap products and packaging bag, etc.

ABOUT QINGDAO WONDERFLY INTERNATIONAL TRADE

ABOUT QINGDAO WONDERFLY INTERNATIONAL TRADE

about_01

About
Qingdao Wonderfly

We are located in Shandong Province, China.After the establishment of the company, the products include Crown Cap, Wine bottle cap, Aluminum screw cap, PVC capsules, corks, metal lug cap ,Ring pull cap, all size of plastic bottle cap products and packaging bag , etc. Color and size are customized, fully meet the requirements.

Company covers an area of more than 5 thousand square meters, development, design, production, and export as one of the integrated production enterprises.

2015

Qingdao Wonderfly International Trade Co., LTD. was established in 2015

5000m 2

Company covers an area of more than 5 thousand square meters

5,20+

More than 20 years of experience in the production of packaging

SGS

The products have passed the SGS certification of heavy metal detection

GREAT SERVICE
GREAT SERVICE

Is our missing! work in an efficient service, good quality and have a quick feedback to you.

QUAILTY
QUAILTY

High quality is our obligation!
as a leading manufacturer, we produce various of quality products with competitive prices

BEST PRICE
BEST PRICE

Factory direct sales with high quality and low price.

CUSTOMER FIRST
CUSTOMER FIRST

Contact us now!

about_02

FAQ

  • What kind of company is your organization?

    We are a professional and comprehensive bottle cap manufacturer specializing in R&D, design, mold manufacturing, large-scale production, and sales services. With years of expertise in the bottle cap manufacturing field, we are dedicated to providing high-quality standardized and customized bottle cap products, as well as one-stop packaging and sealing solutions for industries including food, beverages, alcoholic beverages, daily chemicals, pharmaceuticals, and chemicals. We are a highly capable and reputable professional bottle cap supplier in China.


  • What types of bottle caps can your company produce?

    The company's product categories are complete and specifications are fully covered, with four core categories:


    1. Plastic bottle caps: beverage/mineral water/edible oil/daily chemical/pharmaceutical/chemical special caps, made of food grade environmentally friendly materials;


    2. Aluminum/aluminum-plastic composite bottle caps: special caps for alcoholic beverages, health products, and high-end cosmetics, with high-end texture and anti-theft sealing advantages;


    3. Metal bottle caps: tinplate caps, screw caps, and caps, suitable for packaging canned goods, sauces, and seasonings;


    4. Special functional bottle caps: anti-theft caps, child safety caps, spray caps, pump head caps, anti-counterfeiting caps and other customized products.


  • Do you support personalized customization services for bottle caps?

    Support one-on-one exclusive customization, can customize bottle cap size, color, etc. according to customer brand positioning, packaging container, function, budget and other needs LOGO、 We provide one-stop customized services including design, mold development, sample making, and mass production for appearance, sealing structure, anti-counterfeiting technology, surface carving/hot stamping/coating, etc.

    Service process for customizing bottle caps:

    One stop customization process for the entire process: requirement communication → scheme design → mold making → sample making → customer confirmation → large-scale production → logistics distribution → after-sales follow-up, saving customers the hassle of multi-party communication and efficiently fulfilling customization needs.


  • How to coordinate for cooperation, consultation and quotation?

    You can directly contact the business liaison personnel of the enterprise to inform them of product requirements, customization requirements, order quantity, delivery cycle and other information. We will respond in a timely manner, provide professional solutions, accurate quotations and efficient liaison services.

  • Can we take samples first and then confirm cooperation?

    Absolutely possible. We support providing regular samples and customized sampling samples. After customers confirm the quality, style, and size of the samples are correct, we can proceed with mass production cooperation to fully protect their cooperation rights.


Company News

The benefits of Flip Top bottle caps: convenience, safety, and multifunctional design

Flip Top Bottle Caps: Convenience, Safety & Multifunctional Design | WonderflyCap

July 14, 2025
Flip Top bottle caps

Explore flip top bottle caps with effortless operation, reliable sealing to prevent leaks, and safe design for beverages, personal care & food. Ideal for daily use—WonderflyCap’s quality solutions.​

July 14, 2025
Innovative Applications of Plastic Caps: Revolutionizing Industries from Beverages to Pharmaceuticals

With the rise of sustainable packaging, eco-friendly plastic caps are also gaining traction, making them a versatile choice for businesses worldwide.

February 20, 2025
How to seal plastic bottle caps tightly?

Bottle caps: can be divided into single-piece caps and double-piece caps; Single-piece cap: There is no gasket inside the bottle cap. The entire cap is made of the same material and relies on folding edges or inner plugs for sealing.

March 12, 2024
Classification of plastic bottle caps

Classification of plastic bottle caps: According to the way of combination with the container, plastic bottle caps can be simply divided into the following three categories:

March 12, 2024
Performance characteristics of plastic bottle caps

Plastic bottle caps are something we often see in our daily lives. Mineral water bottle caps are made of plastic, and cooking oil bottle caps are also plastic. The caps of many liquid bottles are made of plastic. They are made of this material. The bottle caps have very good leak-proof performance and can effectively prevent the liquid inside the bottle from being contaminated by the outside world. So do you know what the performance characteristics of plastic bottle caps are? In addition, do you know what classifications they have?

March 04, 2024