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.

about company pic
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

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FR4 Copper Clad Laminates Drive Global PCB Innovation Across Industries

In the rapidly advancing world of electronic engineering, FR4 Composite Copper Clad Laminates (CCL) have solidified their position as the backbone of printed circuit board (PCB) manufacturing. As technology evolves toward higher performance, miniaturization, and energy efficiency, FR4 CCL continues to serve as a critical enabler of innovation in telecommunications, consumer electronics, automotive systems, and industrial automation.

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Complete Understanding for 3021 Phenolic Paper Laminates.
Complete Understanding for 3021 Phenolic Paper Laminates.

3021 Phenolic Paper Laminates are high-performance composite materials produced by impregnating cellulose-based paper with phenolic resin, followed by a controlled hot-pressing process. These laminates are widely used in electrical insulation and mechanical engineering due to their reliability, durability, and cost-effectiveness. Compared to fabric-based phenolic laminates, 3021 laminates feature a dense, smooth surface that ensures excellent dimensional stability and uniform thickness, making them suitable for components requiring precise machining.

06 - Nov - 2025
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Phenolic Cotton Cloth Laminated Sheets (3025): Key Insights for Industrial Applications
Phenolic Cotton Cloth Laminated Sheets (3025): Key Insights for Industrial Applications

Phenolic Cotton Cloth Laminated Sheets, also known as textolite sheets or bakelite cotton boards, have long been a cornerstone material in electrical insulation and mechanical engineering applications. By combining the mechanical strength of woven cotton fabric with the chemical durability of phenolic resin, these composites deliver exceptional performance in demanding industrial environments. Engineers, manufacturers, and procurement specialists rely on phenolic cotton laminates for transformer components, electrical equipment insulation, and high-stress mechanical parts. Understanding their properties, applications, and sourcing considerations is essential for optimized industrial design and manufacturing.

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Phenolic Paper Laminates vs Phenolic Cotton Cloth Laminates
Phenolic Paper Laminates vs Phenolic Cotton Cloth Laminates

In the continuously evolving world of electrical insulation and engineering materials, phenolic laminates remain one of the most widely used thermosetting composites. Among them, Phenolic Paper Laminates and Phenolic Cotton Cloth Laminates stand out as two major categories, each designed to meet specific mechanical and electrical performance requirements. Understanding their differences is crucial for engineers, procurement specialists, and manufacturers when selecting materials for various industrial applications.

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What Are POM Sheets and POM Rods? Properties, Applications, and Buying Tips.
What Are POM Sheets and POM Rods? Properties, Applications, and Buying Tips.

POM Sheet and POM Rod are high-performance engineering plastics made from polyoxymethylene. Known in the industry as acetal plastic, POM material, or acetal copolymer/homopolymer, they are widely used in precision manufacturing due to their outstanding strength, wear resistance, and excellent dimensional stability.

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EPGC308 Epoxy Fiberglass Sheet – A High-Performance Insulation Material for Modern Electrical Engineering
EPGC308 Epoxy Fiberglass Sheet – A High-Performance Insulation Material for Modern Electrical Engineering

In today’s rapidly developing electrical and electronic industries, high-performance insulation materials play a crucial role in ensuring equipment reliability and safety. Among these materials, EPGC308 epoxy fiberglass sheet stands out for its exceptional combination of mechanical, thermal, and electrical properties. Produced by Qingdao YILONG New Materials Co., Ltd., this advanced laminate has become a preferred choice for a wide range of industrial applications.

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EPGM203 - Reinventing High-Performance Composite Materials for Modern Engineering
EPGM203 - Reinventing High-Performance Composite Materials for Modern Engineering

In today’s fast-paced world of materials science, EPGM203 has emerged as a new-generation glass mat reinforced epoxy laminate known for its exceptional balance of mechanical strength, electrical insulation, thermal stability, and chemical resistance. Developed for high-temperature and high-stress environments, EPGM203 offers engineers and manufacturers a reliable solution where traditional plastics, phenolics, or metals fail to perform. With its superior durability and design flexibility, this material has become a preferred choice in industries such as electrical engineering, automotive manufacturing, construction, and medical equipment.

27 - Oct - 2025
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What Is Acetal plastic and Its Industrial Applications?
What Is Acetal plastic and Its Industrial Applications?

Acetal plastic, also known as polyoxymethylene (POM), is a high-performance engineering thermoplastic widely used across industrial applications. This semi-crystalline material combines excellent dimensional stability with remarkable strength, making it suitable for parts that require stiffness, precision, and durability. Acetal retains its shape under continuous use at elevated temperatures and withstands mechanical stress, impact, and friction-related wear.

24 - Oct - 2025
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Understanding Mica Tubes for Electrical Insulation
Understanding Mica Tubes for Electrical Insulation

A mica tube is a reliable insulating component widely used in electrical and thermal protection applications. With high dielectric strength, excellent heat resistance, and chemical durability, mica tubes play a vital role in safeguarding wires, cables, and equipment operating under high temperature and voltage conditions.

23 - Oct - 2025
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Transformer Phenolic Resin Paper Tube
Transformer Phenolic Resin Paper Tube

Transformer Phenolic Resin Paper Tube is a high-performance insulating material widely used in electrical equipment such as transformers. It provides reliable insulation, mechanical protection, and excellent thermal stability, ensuring the long-term safe operation of power systems.

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