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Fibermint is one of the professional China dome closures manufacturers that has specialized in developing and manufacturing ODN products since 2008. Fibermint applies its unparalleled expertise in material science and optical communication along with its deep R&D and manufacturing capabilities, to develop high-quality products that help dozens of states develop optical communication and enhance people's lives. As a well-known OEM fiber optic dome closures factory, after 14 years of development, we now provide a wide range of solutions in the FTTx (FTTH, etc.) system with ODN products. Specialized in providing a variety of fiber optic splice, distribution, and terminal products, such as Fiber Optical Splice Closures, Fiber Distribution Boxes, Fiber Termination Boxes, wholesale fiber optic dome closures, and Fiber Access Terminals. The company is based in Yuyao City, which is a place near Ningbo Port with its famous mold process technology and plastic market in China. This city brings us all the possible needs of the entire chain, from production to supply to marketing.
  • 14Yrs.


  • 5000

    Standard Workshop

  • 50+


  • 12

    Production lines

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Through years of development and hard work, the company has accumulated rich management experience.

Industry knowledge expansion of Dome Closure

What is dome closure
A dome closure is a type of enclosure used in fiber optic networks to protect and secure fiber optic cables and connections. It is designed to provide a weatherproof and durable seal for fiber optic splices, and is often used in outdoor or underground applications.Dome closures are typically made of high-quality materials such as plastic or metal, and feature a domed shape that provides ample space for splices and connectors. The dome is designed to provide a secure and weatherproof seal around the cable entry points, preventing water, dust, and other debris from entering the enclosure and potentially damaging the fiber optic cables or connections.
Dome closures may also include various accessories and features to facilitate fiber optic connectivity and maintenance, such as cable management trays, mounting hardware, and sealing grommets. Some dome closures may also be designed with removable or interchangeable end plates, allowing for easy access to the cables and connectors inside the enclosure.Dome closures are a reliable and efficient solution for protecting fiber optic cables and connections in outdoor or underground environments, and are widely used in telecommunications, data centers, and other applications where reliable fiber optic connectivity is critical.
Advantages of  dome closure
There are several advantages to using a dome closure in a fiber optic network:
1.Weatherproofing: Dome closures are designed to provide a secure and weatherproof seal for fiber optic cables and connections, protecting them from water, dust, and other environmental factors. This helps to ensure reliable and efficient fiber optic connectivity, even in harsh outdoor or underground environments.
2.Durability: Dome closures are typically made of high-quality materials such as plastic or metal, which are durable and long-lasting. This means that they can withstand exposure to environmental factors such as extreme temperatures, moisture, and UV radiation, without degrading or deteriorating over time.
3.Capacity: Dome closures are designed to provide ample space for splices and connectors, allowing for a high capacity of fiber optic cables and connections within a single enclosure. This can help to reduce the number of enclosures needed for a given fiber optic network, which can in turn reduce costs and improve overall efficiency.
4.Easy installation: Dome closures are generally easy to install and maintain, requiring minimal tools or expertise. They often come with mounting hardware and other accessories, which can simplify the installation process and help to ensure a secure and reliable connection.