Container Caps

Your Professional Industry Cap Supplier!

 

Dongguan Shun chang plastic Products Co., Ltd founded in October 2017 with a registered capital of 20 million RMB, Dongguan Shunchang Plastic Products Co., Ltd. evolved from an entrepreneurial team specializing in bottle cap R&D. Our core business spans two key segments: first, independently developed patented dual-port caps for liquid containers (compatible with plastic bottles, glass bottles, iron cans, and other packaging types); second, universal liquid color masterbatch and color masterbatch feeders for the injection molding industry.

 

 
  • Telescoping Lid
    This Telescoping Lid is designed for metal container packaging that requires controlled pouring, secure closure, and a cleaner user experience during storage and repeated use. In this type of...
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  • Telescopic Steel Covers
    This telescopic steel covers product is designed for container sealing applications that require flexible opening, stable closure, and practical handling in daily storage, transport, and repeated...
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  • Flip Top Lid
    This flip top lid is designed around the practical needs of liquid packaging, with a focus on solving common problems found in conventional closures, such as uneven pouring speed, liquid residue...
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  • Engine Oil Lid
    This Engine oil lid is developed for lubricant packaging applications such as engine oil, motor oil, and automotive maintenance fluids, especially for common plastic oil containers in 1L, 4L, and...
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Why Choose Us

Rich Experience

With more than 10 years of experience in cap R&D, Shunchang has developed an 8-generation product lineup supported by multiple patented technologies.

 

Sales Market

Our sales network covers all regions of China, We have successfully supplied our patented cap products to various liquid food manufacturers nationwide, earning industry recognition through premium quality.

Advanced Equipment

Our factory operates self-upgraded automated production lines that integrate inspection, defect detection, and packaging processes. Full-process quality control helps ensure consistent product performance, stable supply capability, and reduced quality risk for customers.

Responsive Service

From sample evaluation to mass production and after-sales support, our team provides responsive communication and practical technical assistance throughout the cooperation process. Flexible delivery arrangements and ongoing product optimization help customers maintain stable and efficient operations.

 

Telescoping Lid

 

Overview of Industry Cap

Industrial caps are closures designed for industrial packaging applications such as chemicals, lubricants, cleaning products, agricultural products, automotive fluids, and other technical liquids. These caps are developed to provide secure sealing, leak prevention, chemical resistance, and safe transportation under demanding storage and handling conditions.

 

Common Types
Telescoping Lid
This Telescoping Lid is designed for metal container packaging that requires controlled pouring, secure closure, and a cleaner user experience during storage and repeated use. In this type of packaging system, the lid is more than a closing part. It affects sealing reliability, opening convenience, pouring smoothness, and the overall usability of the container in daily handling.
Flip Top Lid
This flip top lid is designed around the practical needs of liquid packaging, with a focus on solving common problems found in conventional closures, such as uneven pouring speed, liquid residue around the opening, inconvenient opening, and reduced sealing performance after repeated use. The lid features a flip-top opening structure combined with a dual-outlet flow-control concept, allowing liquids to pour more smoothly and making it easier to control the flow during use.
Engine Oil Lid
This Engine oil lid is developed for lubricant packaging applications such as engine oil, motor oil, and automotive maintenance fluids, especially for common plastic oil containers in 1L, 4L, and 5L formats. In this type of packaging, the lid does much more than close the container.

 

 

Product advantages

Mechanical properties like strength and toughness, elasticity/ flexibility to withstand forces of pressure/impact and durability;

 

Insulation properties like firm sealing and leakproof, resistance to moisture, water vapor, gas, light, odor and heat;

 

Safety characteristics like non-toxicity, corrosion resistance, insect/pest-proof and anti-microbial property,

 

Processing features like suitability to be processed into various products and feasibility for use in automated operations, its suitability for printing, etc.;

 

Other reasons like a wide range of sources, easy availability, low cost, and ease of handling the raw materials.

Flip Top Lid

 

Material

Plastic bottle caps are the most common type, with main materials including polyethylene (PE), polypropylene (PP), and polyvinyl chloride (PVC). PP caps, with their higher heat resistance and chemical stability, perform well in applications requiring high-temperature sterilization or storage of special chemicals;


Metal bottle caps are not only aesthetically pleasing but also effectively prevent product spoilage and extend shelf life.


Composite material bottle caps are a new type of bottle cap that has emerged in recent years. They combine the advantages of plastic and metal, possessing the lightweight and easy-to-process properties of plastic, and the strength and sealing performance of metal.

 

Customization Process

 

Size Customization

Bottle caps can be customized according to different bottle neck specifications, including:

  • Diameter
  • Height
  • Thread type
  • Neck finish standard

Common sizes include 28mm, 38mm, 45mm, and other customized dimensions to ensure proper fitting and stable sealing performance.

 

Color Customization

We support custom color matching based on customer samples or Pantone colors.
Available options include:

  • Solid colors
  • Transparent colors
  • Matte colors
  • Gloss colors
 

Surface Treatment

Different surface finishes are available according to product positioning and design requirements, including:

  • Matte finish
  • Gloss finish
  • UV coating
  • Hot stamping
  • Silk screen printing
  • Embossed or debossed logo
 

Functional Customization

We can also provide customized functional designs such as:

  • Leak-proof sealing
  • Tamper-evident structure
  • Easy-open function
  • Child-resistant design

These features help improve product safety and user convenience.

 

 

 

Package & Delivery

 

Package: Standard export package or Custom
Delivery: By air express, by sea

productcate-1-1

 

 

FAQ

 

Q: Can recycled materials be used for industrial caps?

A: While recycled HDPE or PP can be used, virgin materials are preferred for industrial applications to ensure maximum strength, chemical resistance, and sealing performance. Recycled materials may reduce tensile strength by up to 20%, which can affect the reliability of the cap.

Q: How long does it take to produce a batch of caps?

A: Cycle times vary depending on the cap size and material. A standard 55mm HDPE cap might have a cycle time of 15–20 seconds, while a larger 100mm cap could take 30–40 seconds. Cooling and trimming time are included in these cycles.

Q: What factors affect cap performance?

A: Material choice, thread precision, mold design, and quality control all influence performance. Improper cooling, poor material selection, or inaccurate threads can lead to leaks or premature cracking.

Q: Are your caps compatible with standard industrial containers?

A: Yes, our caps are designed to match common drum and barrel specifications. Custom sizes and special features are also available upon request.

Q: How do you ensure chemical resistance?

A: We select materials based on the chemical properties of the contents and test each batch for compatibility. HDPE and PP are resistant to a wide range of acids, bases, and solvents, making them ideal for industrial use.

Q: Are you manufacturer or trading company?

A: We are manufacturer.

Q: What's your best delivery time?

A: Within 15-30 days.

Q: What is the quality control of your product?

A: Follow strictly quality control measures for implementation,

Q: Will your company provide free sample?

A: It depends on which sort of item you want to get. Some can be provided free of charge, however, the client shall assume the shipping fees himself.

Q: Is OEM open to clients?

A: Yes, we can provide both OEM and ODM service.

Q: What is the payment of sample?

A: T/T and Alipay both acceptable.

Q: Have you tested all your goods before shipment?

A: Yes, we will conduct 100% test before delivery, and we will send detailed photos of parts for your approval .

As one of the leading industry cap manufacturers and suppliers in China, our products have good reputation in the market. Please rest assured to buy high quality industry cap for sale here from our factory. Customized orders are welcome.

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