ZCP is located in Chongqing City,China.Its Chinese full name is Chongqing Zhengchuan Pharmaceutical packaging Co., Ltd.ZCP specializes in the R&D and production of pharmaceutical tubular glass vials and caps almost 40 years.The company has four branch factories,intelligent stereoscopic warehouses,and over 2,000+employees. In the year of 2017,ZCP became the first private enterprise in pharmaceutical glass packaging field to be listed in the main stock market in China.
Why Choose Us
High Production Capacity
The company has four branch factories and three large-sized production bases, covering a land of more than 200,000 m2. The company has 8 furnaces to produce glass tubing and more than 600 sets of high-precision devices used for production of vials and caps.
Broad Market
Relying on its great production capacity and famous brand, Zhengchuan has established a nationwide sales service network and has established long-term friendly cooperation relations with more than four hundred customers in China, which makes the company enjoy a good reputation at home and abroad.
Our products sell well in several regions in the world, e.g. South America, Southeast Asia, Europe and Asia.
Wide Product Range
The company possesses a modern technology research & development center and an integrated manufacturing center of pharmaceutical glass tubing, glass vials and auxiliary caps. The company mainly produces various types of transparent and amber tubular glass injection vials, tubular glass oral liquid vials, tubular glass screwed-neck vials and ampoules.
Quality Assurance
All products would enter a closed warehouse directly from the workshop via mechanical automation, so as to eliminate pollution sources due to transport of products and entrance of staffs and reduce the percentage of pollution and damage of products.
All procedures are controlled by computer that connected with the Intranet of the company. It could realize the integration of management and control, achieve clear entry and stock out in warehouses, and eliminate the risks of wrong or mixed delivery of products.
Pharmaceutical Aluminum Plastic Caps
Pharmaceutical aluminum-plastic caps for various pharmaceutical glass vials and bottles.
Pharma Aluminum Caps For Glass Vials
Seals and bottle caps made of aluminum do not have any logos, and custom logos can be embossed on the flip and lid. Aluminum Caps for glass vials can be used for storage and packaging and our factory can provide aluminum cap samples to check the quality.
Aluminium Plastic Cap For Vial Glass Bottle
Product name: Aluminium plastic cap
Material: Aluminium-Plastic
Color: any color
Feature: Non spill
Pharma Easy Stab Aluminum Caps
A convex ring is arranged on the upper surface of the cover body of the easy-piercing aluminum cover, and an easy-piercing zone is formed in the convex ring, and a positioning protrusion is arranged in the easy-piercing zone, it is also used for sealing oral liquid, which is easy to pierce through the coating of the area and is not damaged when the aluminum cover is formed and stretched.
Medical Aluminum Caps For Glass Vials
Medical aluminum plastic combination cap is a new type of bottle cap composed of aluminum cap and plastic cap through hot pressing riveting combination, this kind of bottle cap is mainly used in antibiotic powder injection, infusion preparation, freeze-drying agent and oral liquid preparation of bottle encapsulation, It does not directly contact with drugs, support disposable outer packaging products.
Aluminum Plastic Caps For Pharma Glass Bottles
OEM Aluminum Plastic Caps for Pharma Glass Bottles & Vials has a simple structure, low cost, good airtightness, and is more convenient to use.
13mm aluminium injection cap seal free samples aluminium plastic cap for vial glass bottle.
Aluminum Plastic Caps For Pharma Glass Vials And Bottles
Pharma Aluminum Plastic Caps are mainly used for pharmaceutical bottles and vials of different specifications, as the outer sealing aluminum cap.
In pharmaceutical packaging, aluminum plastic cap is a common type of medical bottle cap. It is made of aluminum plastic material as raw material and is mainly used for the closure of medicines such as vaccines. Medical aluminum plastic caps have been very popular in the field of pharmaceutical packaging. This is mainly due to the following three reasons. First, the sealing performance of medical aluminum plastic caps is good, so that bacteria can not erode the medicine. Second, the aluminum cap is easy to tear and pull, and it is more convenient to open. Third, the medical aluminum plastic caps will not dissolve with the drug, so it can protect the drug well.
Benefits of Aluminum Plastic Caps
Exhibit excellent sealing performance
Constructed from a composite of aluminum foil and plastic, they effectively block out external air, moisture, and light, protecting products from contamination and oxidation. This superior sealing ability makes aluminum-plastic caps an ideal choice for sensitive products in the pharmaceutical and food industries, ensuring product quality and safety.
Possess excellent mechanical properties
They demonstrate good toughness and compressive strength, resisting breakage or deformation. This ensures that the integrity and stability of the product are maintained during transportation and storage, reducing losses due to packaging damage.
Have good printing adaptability
Their smooth and flat surfaces allow for easy printing of various patterns and texts, enhancing the product's brand image and market competitiveness. Additionally, the printing effect of aluminum-plastic caps is durable, vibrant, and resistant to fading or blurring, adding aesthetics to the product.
Are environmentally friendly
The materials used in their construction are recyclable, meeting environmental standards. With continuous technological advancements, the production processes of aluminum-plastic caps are also becoming increasingly eco-friendly, reducing environmental pollution and resource waste.
Offer economic practicality
Although the initial cost of aluminum-plastic caps may be slightly higher, their excellent performance and long lifespan effectively control overall costs. Furthermore, the wide applicability of aluminum-plastic caps reduces production and packaging costs, bringing economic benefits to businesses.
Understanding the Difference Between Aluminum and Plastic Caps
When it comes to packaging, the choice of cap material plays a vital role in maintaining product integrity and functionality. Aluminum lids and plastic lids are two popular options in the packaging industry, each with their own unique features and benefits. Understanding the differences between these two materials can help businesses make informed decisions when packaging their products.
Aluminum covers are known for their durability and strength. They offer a high level of protection against the effects of external factors such as moisture, oxygen and light, making them ideal for products that require an extended shelf life. In addition, aluminum lids have a premium, premium look and feel that adds value to the overall product packaging. Its sturdy construction also makes it suitable for products that require tamper-proof or child-resistant packaging.
Plastic lids, on the other hand, are lightweight and versatile, making them a popular choice for a variety of products. They are available in a variety of shapes, sizes and colors, offering a high level of customization to meet specific packaging requirements. Plastic lids are also cost-effective and can be easily mass-produced, making them a practical option for businesses looking to minimize packaging costs without compromising on quality.
One of the main differences between aluminum and plastic lids is their impact on the environment. While both materials are recyclable, aluminum is 100% recyclable without any quality loss, making it a more sustainable option for environmentally conscious businesses. Additionally, aluminum lids have a longer shelf life than plastic lids, reducing the need for frequent replacement and helping to reduce overall waste.
In terms of functionality, aluminum caps and plastic caps have different sealing properties. Aluminum lids provide a secure seal that prevents tampering and leakage, making them suitable for products requiring a high level of protection and security. Plastic lids, on the other hand, may provide a good seal but may not be as effective at preventing oxygen and moisture from penetrating into the packaging.
In terms of aesthetics, aluminum covers have a premium metal finish that conveys a sense of quality and luxury. This makes them a popular choice for high-end products such as cosmetics, spirits and pharmaceuticals. Plastic covers, on the other hand, are available in a variety of design options, including matte, glossy, or translucent finishes, making them suitable for a variety of products in different industries.
The choice between aluminum and plastic lids ultimately depends on the specific requirements of the product and the overall packaging goals of the company. Aluminum covers offer superior durability, protection, and sustainability, while plastic covers offer versatility, cost-effectiveness, and customization options. Understanding the differences between these two materials is critical to making informed decisions that are consistent with your product's brand value and packaging needs.
The Sealing Principle of the Aluminum Plastic Caps
According to the sealing principle of Aluminum Plastic Caps, it can be divided into flat pressure seal and side wall seal. The flat pressure seal can only be used in the screw cap. When it is tightened, the contact surface between the bottle mouth plane and the inner plane of the bottle cap increases, so as to achieve the sealing effect.
The side wall seal is to use the effective contact between the memory of the bottle mouth and the outside of the bottle cap sealing system to achieve the sealing effect. The screw cap with side wall sealing system should be the scheme of ordinary corrugated cap. For injection glass caps are often metal caps.
Combined with rubber stoppers, which need to be designed and selected according to the structure, use and price of the product.
In the case of specifying the specifications of the aluminum cap, salt water bottles of different calibers should be selected, and a suitable bottle cap should be selected. The shape of the aluminum cap is generally flat, and the shape after pressing depends on the capping mold of the capping machine. If the mother and child and the flat top are sealed into the flat top of the aluminum cap, they will often not be tightly attached to the bottle stopper, and loosening will easily occur.

Application of Aluminum Plastic Caps
Bottle caps are an important part of food and beverage packaging, and they are also the first place where consumers come into contact with products. The bottle cap has the function of keeping the content product airtight, and also has the functions of anti-theft opening and safety, so it is widely used in bottled products, so the bottle cap is the upstream industry of the food, beverage, wine, chemical industry, and pharmaceutical industries. It is a key product of bottle container packaging. In the early stage of the development of bottle caps, cork materials, tinplate crown caps and twist-off caps were used. Up to now, aluminum long-necked aluminum caps, carbonated drink aluminum caps, hot-fill aluminum caps, injection aluminum caps, medicine caps, and twist-off caps have been developed. Type ring caps, safety button claw caps and plastic bottle caps and other products.
Since bottle caps are an important part of the beverage packaging industry, strong changes in downstream consumer market demand will directly affect the market demand for bottle caps, and the vigorous development of the beverage industry has higher and higher requirements for product packaging, which will drive Demand for bottle cap products. Moreover, bottle cap products occupy a key position in the beverage packaging industry, so the development trend of the beverage industry will directly affect the demand for bottle cap products. In recent years, the market demand for bottle cap products has been stable and showing a growing trend. However, changes in the packaging materials used will relatively change the product structure of bottle cap products.
How Are Aluminum-Plastic Caps Produced?
The production of aluminum covers involves the use of punching machines and stamping molds to punch aluminum alloy plates, usually requiring double coating of the aluminum alloy plates to ensure the dimensional accuracy and surface quality of the aluminum covers. This step ensures the dimensional accuracy and surface quality of the aluminum cover, and necessary cleaning and inspection are carried out.
The production of plastic caps involves melting the plastic raw materials using injection molding machines and injecting them into molds for injection molding. The main raw materials for plastic caps are polypropylene (PP) and colorants. By controlling process parameters such as injection volume and pressure, the dimensional accuracy and surface quality of plastic caps are ensured, and necessary cleaning and inspection are carried out.
The production of composite covers involves pouring aluminum and plastic covers into the corresponding turntable of a heat sealing machine for heat sealing, thereby obtaining aluminum-plastic composite covers. This step requires ensuring the firmness and sealing of the connection, and controlling the process parameters such as connection temperature and pressure.
In addition, the production of aluminum-plastic composite covers also includes hot pressing aluminum foil and plastic layers at a certain temperature and pressure to form aluminum-plastic composite materials, then cutting the composite materials into the desired shape and size, and heat sealing the edges of the covers to ensure their sealing and stability. Finally, clean and disinfect the lid to comply with relevant standards and requirements.
Side wall sealing is achieved by utilizing effective contact between the bottle mouth storage and the outside of the bottle cap sealing system to achieve a sealing effect. The spiral cover with a sidewall sealing system should be a solution covered with ordinary grains. Injection glass cover is usually a combination of metal cover and rubber stopper, which needs to be designed and selected according to the product structure, purpose, and price.
In the case of aluminum-plastic cap specifications, salt bottles with different diameters should be selected and appropriate caps should be chosen.
The shape of aluminum-plastic caps is generally multi flat, and the shape after capping depends on the capping die of the capping machine. If the mother and child are sealed to form an aluminum-plastic cap with a flat top shape, the bottle stopper often cannot be tightened, which can easily cause loosening.
The main purpose of cleaning aluminum-plastic covers is to clean the lubricants added during the production process, as the presence of lubricants can cause pollution to the product and affect the stability of the rubber plug. The aluminum-plastic cover does not come into direct contact, and some people believe that its cleanliness should not be overly demanding.
Our Factory
Our company is the first to build a 3d warehouse in the same industry in China, mechanical automation closed warehouse, dust free storage, reducing the risk of mis-sending and mixing.


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