Cap
Ningbo GreenYard Sprayers Co.,Ltd is seated beside a beautiful coastal city "Yuyao". It is near one of Chinese biggest port-Ningbo port and possess a very convenient traffic. As a manufacturer specialize in research, manufacture and sale, we have our own brand-GreenYard. We are professional on this area more than 10years.
Why choose us?
Our technology
We have already owned advanced mould design, manufacture, injection, automatic assemble , quality inspection equipment and technology. Have various production equipment such as mould design, injection machines, automatic assemble machines , quality inspection equipment.
Our team
We have a development team of ten excellent designers who will develop new products according to the market.
Our product
Our dominant products include mist prayer, caps for plastic bottle, spray head for house cleaning product, perfume sprayer and other kinds of sprayer heads for cosmetic packaging.
Our service
Greenyard has a professional sales team, which constantly promoting our products to customers. The team provides technical support for customers' projects, and realizes a better one-stop service experience.
Types of Cap




Screw caps
Screw caps are generally threaded caps that require torque to be tightened onto various container types. However, there are many variations of the screw cap, from simple flat caps to trigger sprayers. Both spindle capping machines and chuck cappers will normally handle screw caps, with a few exceptions.
Flat cap
A flat cap is a screw cap with a flat top. Flat caps are most commonly found on bottled water and soft drinks. Spindle cappers and chuck cappers both work well with flat caps and the decision between the two capping machines may simply come down to speed.
Sports cap
A sports cap is also a screw cap but without the flat top. Instead, the sports cap will twist or pull up to allow a restricted flow of product from the bottle, often requiring a squeeze on the bottle. Some bottled water is marketed in these types of containers, as are certain energy drinks.
Flip top caps
A flip-top cap is very similar to a flat cap, the main difference being that the cap will be "flipped" open, rather than unscrewed, to access the product. Ketchup bottles and salad dressing containers often utilize flip top caps.
Press top caps
A press top cap is a screw cap that can be pressed on one side and will pop up on the other. Body washes and shampoos are popular products for press top caps.
Trigger sprayers
A unique screw cap is the trigger sprayer, found on many glass cleaners and other household products. This screw cap basically includes a straw and sprayer that allows a product mist to be shot from the closure. The trigger sprayer can easily be tightened down using a spindle capping machine.
Stoppers/corks
Wine bottles, vials, perfume and a number of other products may use a bottle stopper or a cork to seal the product. Bottle stoppers may be plastic, glass, rubber or a number of other materials. The capping machines used to create a seal with these caps will also depend on the cap, container and production requirements.
Ropp caps
ROPP stands for roll-on pilfer proof, and ROPP caps are a unique cap in the packaging industry. These caps are widely used on wine bottles as well. ROPP caps require a specific machine to create the seal. A ROPP capping machine is manufactured with special knives for the bottle being run. These knives carve threads into aluminum blanks based on the threads on the bottle. ROPP caps allow for tamper evidence and a consistent, secure seal.
Benefits of Cap
Protection against contamination
One of the primary functions of bottle caps is to protect the contents from contamination. When a bottle is sealed with a cap, it forms a barrier that prevents unwanted substances from entering the product. Whether it’s dust, dirt, or microorganisms, the cap acts as a shield, safeguarding the contents inside.
Extending shelf life
Products that are stored in bottles, such as beverages and condiments, can benefit greatly from plastic bottle caps in terms of extended shelf life. These caps help create a controlled environment within the bottle, minimizing exposure to external factors that can lead to deterioration.
Tamper evidence and safety
Another critical aspect of bottle caps is their role in ensuring product safety through tamper-evident features. Tamper-evident caps have seals or indicators that show if the bottle has been opened or tampered with. This provides consumers with peace of mind, knowing that the product they are purchasing is safe and untampered.
Tamper-evident features not only protect consumers but also help maintain the reputation and trust of brands. It demonstrates a commitment to quality control and product integrity, which is especially important in industries where safety is a top priority, such as pharmaceuticals and food and beverage.
Convenience and consumer experience
HDPE Plastic bottle caps offer convenience to consumers by providing a simple and efficient method of accessing the product. Caps can be easily opened and closed, allowing for easy pouring, dispensing, and resealing. The ease of use enhances the overall consumer experience and encourages repeat purchases.
Moreover, caps with features like flip-top lids, spouts, or droppers offer added convenience for specific products. These design variations allow for controlled pouring or precise dispensing, preventing spillage and wastage, while maintaining the freshness of the remaining contents.
Customized Process
- Show your requirements.
- We try to understand the conception and pattern from you with sample draft or refer picture.
- Offer the quotation after confirm the design, material and surface treatment.
- Made the sample for approval.
- Arrange production after deposit received.
- Arrange shipment after receiving final payment.
- The goods are shipped.
As one of the most professional cap manufacturers and suppliers in China, we're featured by quality products and good service. Please rest assured to wholesale high-grade cap from our factory. Contact us for more details.
Aluminium Dropper, Fully Recyclable Plastic Cap, pumps