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.
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Telescoping LidThis 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...read more
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Telescopic Steel CoversThis 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...read more
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Flip Top LidThis 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...read more
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Engine Oil LidThis 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...read more
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.

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.
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.

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

FAQ
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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