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产品名称

30mm 13.5g transparent white

Plastic caps are currently commonly used packaging forms for bottles, cans, and barrels, and are especially widely used in beverage, chemical, and pharmaceutical fields. According to their uses, they can be divided into breathable plastic caps and air-impermeable plastic caps.
产品名称

30mm 14g transparent white

Plastic caps are currently commonly used packaging forms for bottles, cans, and barrels, and are especially widely used in beverage, chemical, and pharmaceutical fields. According to their uses, they can be divided into breathable plastic caps and air-impermeable plastic caps.
产品名称

30mm 18g transparent white


Plastic caps are currently commonly used packaging forms for bottles, cans, and barrels, and are especially widely used in beverage, chemical, and pharmaceutical fields. According to their uses, they can be divided into breathable plastic caps and air-impermeable plastic caps.

1. There is a ring-shaped leak-proof ring on the inner wall of the top of the general plastic cover; there are also ordinary plastic bucket covers that need to match the inner cover, so there is no need to design a leak-proof ring;

2, the lower end of the plastic cover is connected to an anti-theft ring through a tension stiffener;

3. At the same time, there are several flaky whirling pull wings evenly distributed on the inner wall of the anti-theft ring; the plastic bucket lid designed in this way has a firm sealing, leak-proof and anti-theft performance, safe and convenient to use, and can effectively prevent the liquid in the container from being By external pollution, it can ensure that the packaging of various liquid products meets the characteristics of safety standards.



产品名称

30mm 19g transparent white


Plastic caps are currently commonly used packaging forms for bottles, cans, and barrels, and are especially widely used in beverage, chemical, and pharmaceutical fields. According to their uses, they can be divided into breathable plastic caps and air-impermeable plastic caps.

1. There is a ring-shaped leak-proof ring on the inner wall of the top of the general plastic cover; there are also ordinary plastic bucket covers that need to match the inner cover, so there is no need to design a leak-proof ring;

2, the lower end of the plastic cover is connected to an anti-theft ring through a tension stiffener;

3. At the same time, there are several flaky whirling pull wings evenly distributed on the inner wall of the anti-theft ring; the plastic bucket lid designed in this way has a firm sealing, leak-proof and anti-theft performance, safe and convenient to use, and can effectively prevent the liquid in the container from being By external pollution, it can ensure that the packaging of various liquid products meets the characteristics of safety standards.



产品名称

30mm 22g transparent white


Plastic caps are currently commonly used packaging forms for bottles, cans, and barrels, and are especially widely used in beverage, chemical, and pharmaceutical fields. According to their uses, they can be divided into breathable plastic caps and air-impermeable plastic caps.

1. There is a ring-shaped leak-proof ring on the inner wall of the top of the general plastic cover; there are also ordinary plastic bucket covers that need to match the inner cover, so there is no need to design a leak-proof ring;

2, the lower end of the plastic cover is connected to an anti-theft ring through a tension stiffener;

3. At the same time, there are several flaky whirling pull wings evenly distributed on the inner wall of the anti-theft ring; the plastic bucket lid designed in this way has a firm sealing, leak-proof and anti-theft performance, safe and convenient to use, and can effectively prevent the liquid in the container from being By external pollution, it can ensure that the packaging of various liquid products meets the characteristics of safety standards.



产品名称

38mm 28.5g transparent white


Plastic caps are currently commonly used packaging forms for bottles, cans, and barrels, and are especially widely used in beverage, chemical, and pharmaceutical fields. According to their uses, they can be divided into breathable plastic caps and air-impermeable plastic caps.

1. There is a ring-shaped leak-proof ring on the inner wall of the top of the general plastic cover; there are also ordinary plastic bucket covers that need to match the inner cover, so there is no need to design a leak-proof ring;

2, the lower end of the plastic cover is connected to an anti-theft ring through a tension stiffener;

3. At the same time, there are several flaky whirling pull wings evenly distributed on the inner wall of the anti-theft ring; the plastic bucket lid designed in this way has a firm sealing, leak-proof and anti-theft performance, safe and convenient to use, and can effectively prevent the liquid in the container from being By external pollution, it can ensure that the packaging of various liquid products meets the characteristics of safety standards.



ABOUT US

Mengzhou Lianguan Plastic Co., Ltd. is located in Mengzhou City, Henan Province, in the Central Plains, with the towering Taihang in the north and the turbulent Yellow River in the south, with convenient transportation. The company was founded in September 2006 with a registered capital of 10 million yuan. It is a professional manufacturer of plastic bottle caps and plastic preforms.

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    2006

    Year

    Company Was Founded On

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    3,0000

    Land area 3,0000m²

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    1000

    Ten thousand

    Registered capital 1000 Ten thousand

FACTORY APPEARANCE

The main production equipment for the leading product plastic bottle cap is the capping machine imported from Italy

NEWS

2025/12/03
Mengzhou Lianguan Plastic Co., Ltd. is a company specializing in the manufacturing of plastic products, established in September 2006, with many years of industry experience. Here's how to quickly identify the material of plastic bottle caps to use them more safely. The material of a plastic bottle cap directly affects safety and compatibility. For example, food-contact scenarios require non-toxic materials, while high-temperature environments need heat-resistant types. Learning how to identify the materials can help us avoid hazards and choose the right products. Look at the markings: This is the most reliable method. Material abbreviations are often printed on the bottom or inside of the cap. Common food-grade materials include PP (polypropylene) and HDPE (high-density polyethylene), accompanied by a recycling triangle symbol (5 = PP, 2 = HDPE). Food-grade caps must be labeled “for food contact” and may also indicate certifications like GB 4806 or FDA. The sealing ring may specify silicone, TPE, or PE. Feel the texture: PP caps are hard, tough, and elastic; they bounce back quickly when pressed, have a smooth surface, and good heat resistance. HDPE caps are more flexible, slightly rough on the surface, and can recover after deformation. High-quality sealing rings (silicone/TPE) are elastic and odorless, while low-quality rings can become hard, sticky, or have a pungent smell. Consider the scenario: Tamper-evident caps on beverage bottles are mostly HDPE (leak-proof, suitable for single use); sauce bottles and drink cup lids (which require repeated opening and high temperature resistance) are mostly PP; baby bottles and space cup lids often use PP with silicone rings (safe, BPA-free, and sterilization-resistant). Small tips: Prefer bottle caps made of PP/HDPE with silicone/TPE sealing rings and ensure they have food-contact certification. Avoid low-quality products that are grayish, brittle when pinched, or have an unusual smell. Choose precisely based on usage scenarios (room temperature/high temperature, single use/reusable) for safer use.
2025/11/19
To express gratitude for the hard work of all employees and foster a warm and harmonious corporate atmosphere, Lianguan Plastics carefully organized a unique employee welfare trip to Vietnam in November. This event was open to all employees, aiming to allow everyone to relax and unwind amid busy work schedules through experiencing foreign landscapes and interactive team activities, while also feeling the company's care and appreciation for its employees, further enhancing team cohesion and a sense of belonging. In front of the ancient Tea Cathedral, employees stopped to admire the white marble sculptures depicting the story of Jesus, experiencing the historical marks left from the French colonial period. The colorful buildings of the European-style town Megagrandworld became a popular photo spot, where everyone enjoyed authentic Vietnamese coffee and captured memorable moments. On Chagu Beach, employees strolled along the 'northernmost, longest, and most pristine' silver-white sandy beach of Vietnam, feeling the gentle sea breeze and enjoying the unique view of the distant Dongxing Wanwei Golden Beach across the sea, while marking the iconic starting point of the zero-kilometer highway. Ha Long Bay, known as the 'Guilin on the sea,' is a visual feast, with over 3,600 karst mountains rising from the waters. Employees took boat trips to explore sights such as Dog Slobber Mountain and Incense Burner Mountain, ascended Paradise Island for panoramic views, discovered the Moon Lake’s enclosed bay, and marveled at the fantastic stalactites of Surprise Cave, fully immersing themselves in the world natural heritage's charm of 'beautiful seas, serene mountains, and incredible caves.' The itinerary also featured a diverse array of local foods. In Nanning, specialties such as Laoyou rice noodles and lemon duck whet the appetite. In Vietnam, employees indulged in fresh and fragrant pho, aromatic tile-grilled BBQ, and sumptuous seafood dinner after dinner, along with sharing traditional snacks like mung bean cakes and coconut candies, each bite offering authentic flavors. Throughout the trip, employees maintained a positive and energetic spirit, demonstrating excellent teamwork skills. During team-building activities, everyone helped each other and coordinated smoothly to complete challenges together, deepening mutual understanding and trust. Whether it was the bright smiles in photos at scenic spots or the sincere exchanges during sharing sessions, it fully reflected the unity, friendship, and enterprising spirit of Lianguan Plastics employees. Many employees expressed that this trip not only allowed them to enjoy beautiful scenery but also make them feel the warmth of the company as a big family, motivating them to approach future work with even greater enthusiasm. This Vietnam employee welfare trip was not only a journey for relaxation but also a profound practice of corporate culture. The company always adheres to a 'people-oriented' development philosophy, viewing employees as the most valuable asset, and continuously enhancing their sense of happiness and belonging through diverse welfare activities. In a foreign land, employees personally felt the company's thoughtfulness and care, gaining a deeper understanding of the essence of a 'family culture.' Everyone stated that they would take this trip as a new starting point, working together in the future and contributing more power to the company's development, jointly envisioning a brighter future for Lianguan Plastics. The successful conclusion of the Vietnam employee welfare trip marks not only a summary but also a new beginning. Lian Guan Plastics will continue to uphold its care and commitment to employees, continuously improving the employee welfare system and creating more opportunities for their growth and development. We believe that with the joint efforts of all employees, the company will forge ahead on the path ahead, writing more brilliant chapters, allowing every employee to realize their own value in this warm family and grow together with the company to share the joy of success.

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