Professional
production

With integrated production lines, advanced testing equipment, and a team of professional technicians, we achieve an impressive annual production output of up to 15,000 tons

APPLICATION

YILONG’s laminated insulation materials are widely used across a variety of industries where electrical, thermal, and mechanical reliability are critical. From aerospace to electronics, our solutions support high-performance equipment, ensure safety, and extend service life under demanding operating conditions.

WHO WE ARE

LEADING MANUFACTURER OF EPOXY GLASS CLOTH LAMINATES

Established in 2005, YILONG is a national high-tech enterprise dedicated to the R&D and manufacturing of electrical insulation materials. With a production base covering 110,000 square meters and 288 employees including 36 technical professionals, we hold 26 patents, including 4 invention patents, reflecting strong innovation capabilities.

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EST
2005
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  • COMPETITIVE PRICES

    We provide cost-effective solutions while maintaining the highest standards of quality.

  • ASSURED QUALITY

    Our products undergo rigorous quality control and comply with international certifications such as Reach, RoHS, CE, and ISO.

  • TIMELY DELIVERY

    With streamlined production and logistics processes, we ensure prompt delivery.

  • FAVORABLE PAYMENT TERMS

    Typically 30% deposit and 70% before shipment. But it’s negotiable to suit your needs.

  • ROBUST CORPORATE STRENGTH

    We provide cost-effective solutions while maintaining the highest standards of quality.

  • TRUSTED BY LEADING DOMESTIC AND INTERNATIONAL BRANDS

    Our products undergo rigorous quality control and comply with international certifications such as Reach, RoHS, CE, and ISO.

  • GOVERNMENT SUPPORT

    With streamlined production and logistics processes, we ensure prompt delivery.

  • ADVANCED TECHNOLOGY AND R&D

    Typically 30% deposit and 70% before shipment. But it’s negotiable to suit your needs.

LATEST NEWS

Why Flange Isolation Gasket Kits Are Vital for Pipeline Corrosion Prevention?
Why Flange Isolation Gasket Kits Are Vital for Pipeline Corrosion Prevention?

Pipeline corrosion is one of the most costly and dangerous challenges faced in oil, gas, water, and chemical processing industries. When dissimilar metals come into contact, galvanic corrosion can begin rapidly, compromising pipeline reliability and leading to leaks, failures, and costly maintenance. Flange Isolation Gasket Kits provide a proven solution by creating an electrical barrier that stops unwanted current flow at critical flange connections. Using high-performance dielectric Isolation Kits is one of the most effective ways to protect pipelines, extend service life, and reduce long-term operating costs.

28 - Nov - 2025
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Polyimide PCBs - Material Properties, Types, Manufacturing and Applications
Polyimide PCBs - Material Properties, Types, Manufacturing and Applications

As the global PCBA industry continues to grow, more engineers and buyers are searching for advanced circuit board materials. One phrase that frequently appears in Google search is “Polyimide Rigid PCB”. However, this term is misleading because polyimide is not used to manufacture rigid boards—it is primarily a flexible PCB substrate.

27 - Nov - 2025
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How Much Does 3240 Epoxy Sheet Cost Per Kilogram?
How Much Does 3240 Epoxy Sheet Cost Per Kilogram?

The 3240 Epoxy Sheet, also known as 3240 epoxy phenolic glass cloth laminated sheet, is a widely used insulation material recognized by its typical yellow appearance. Its price varies significantly depending on the grade, manufacturing standard, and sheet thickness.

25 - Nov - 2025
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How to Select the Ideal Mica Gasket for Extreme Heat Environments?
How to Select the Ideal Mica Gasket for Extreme Heat Environments?

Selecting the right Mica Gasket is essential for achieving reliable sealing performance in high-temperature environments. Whether you work in automotive manufacturing, aerospace engineering, or industrial furnace operations, the correct gasket choice directly impacts equipment efficiency, safety, and long-term durability. Understanding how Mica Gaskets function and how to select the proper type will help reduce maintenance time and prevent costly equipment failures.

21 - Nov - 2025
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How to Choose the Right Mica Sheet Thickness for Your Application
How to Choose the Right Mica Sheet Thickness for Your Application

Selecting the proper Mica Sheet thickness is a key decision in electrical insulation, thermal protection, and high-temperature engineering. Although Mica Sheets may look like simple materials, their performance is deeply influenced by one critical factor—thickness. Making the right choice ensures stable operation, improved durability, and long-term safety of your equipment.

19 - Nov - 2025
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The Evolving Applications of Mica Tubes and Emerging Industry Trends
The Evolving Applications of Mica Tubes and Emerging Industry Trends

Mica Tubes have become an essential insulation material across multiple industries thanks to their exceptional thermal stability, electrical insulation properties, and long service life. As high-temperature environments and high-voltage systems become more common in modern manufacturing, the demand for reliable mica-based insulation solutions continues to increase. This article explores the expanding applications of Mica Tubes and highlights the latest technological developments influencing the global insulation materials market.

17 - Nov - 2025
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Understanding Dielectric Strength in FR4 epoxy laminates
Understanding Dielectric Strength in FR4 epoxy laminates

Dielectric strength is a fundamental property of FR4 epoxy laminates that determines their effectiveness as electrical insulators. It refers to the maximum electric field that a material can withstand without experiencing electrical breakdown, allowing current to pass through. For FR4 sheets, which are widely used in printed circuit boards (PCBs) and electrical insulation components, understanding dielectric strength is essential for selecting the right material to ensure safety, reliability, and optimal performance in electronic devices.

14 - Nov - 2025
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How CNC Machining Utilizes G10 and Phenolic Sheets for Precision Components
How CNC Machining Utilizes G10 and Phenolic Sheets for Precision Components

CNC machining has become a vital process for crafting precision components from G10 Epoxy Sheets and Phenolic Cotton Sheets. These high-performance materials are valued for their mechanical strength, dimensional stability, and superior electrical insulation, making them ideal for applications that demand tight tolerances and consistent performance. Using computer-controlled cutting tools, CNC machines can create intricate geometries, complex features, and high-quality finishes that meet the stringent requirements of aerospace, electronics, automotive, and industrial sectors.

13 - Nov - 2025
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High Performance Epoxy Sheets Used in Aerospace and Defense Industries
High Performance Epoxy Sheets Used in Aerospace and Defense Industries

In modern aerospace and defense engineering, material performance is directly linked to reliability, safety, and overall system efficiency. Among the many materials used in these demanding sectors, Epoxy Sheets stand out for their exceptional balance of strength, insulation, and durability. Known for being both lightweight and highly resilient, they are essential in everything from aircraft structures to radar systems and electronic control units. With years of experience in producing advanced insulation materials, YILONG INSULATION supplies premium grades such as FR-4, G-10, and G-11, which are widely used in high-end aerospace and defense applications.

13 - Nov - 2025
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Exploring the Manufacturing Process of FR4 epoxy fiberglass laminate sheets
Exploring the Manufacturing Process of FR4 epoxy fiberglass laminate sheets

As one of the most widely used insulating materials in the electronics industry, FR4 epoxy fiberglass laminate sheets are fundamental to the production of printed circuit boards (PCBs) and numerous electrical components. Their manufacturing process combines advanced materials engineering, precision processing, and rigorous quality control to deliver consistent, high-performance results. From the preparation of raw materials to final inspection and packaging, every step is carefully managed to ensure these laminates meet the demanding standards of global electronics production.

12 - Nov - 2025
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