Qingdao Yilong Insulation Material Co., Ltd.

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Main Products: Epoxy Glass Laminates, Phenolic Cloth Laminates, Phenolic Paper Laminates, FR4, G10

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Company Overview

Company Overview Founded in 1966, YILONG is a high-tech enterprise dedicated to the R&D and manufacturing of electrical insulation materials. With two production bases covering 110,000 square meters and 310 employees including 36 technical professionals, we are committed to providing advanced, reliable insulation solutions for global industrial applications. Products and Capacity Our main products include Cotton Phenolic Laminates, Epoxy Glass Laminates, Unsaturated Polyester Cloth Sheets, Engineering Plastics and CNC machined parts. Our annual production capability for laminated products is more than 20,000 tons, for plastic sheets, rods and tubes is more than 15,000 tons. Besides, we also operate an self-owned glass cloth plant with a 3,000-ton capacity to ensure consistent raw material quality. Equipment To support our large-scale production and strict quality requirements, YILONG is equipped with advanced manufacturing facilities, including 9 horizontal gluing production lines, 3 sets of 24-layer vacuum pressing machines, 3 sets of 3000-ton pressing machines, 2 sets of 4800-ton super large pressing machines capable of supporting sizes up to 2000x3200mm, and 6 sets of 2000-ton pressing machines. In addition, we operate more than 30 sets of automated production lines, automatic cutting equipment, and CNC machining centers, enabling high efficiency, stable quality, and precise processing for both standard and customized orders. Export Strength Our products are exported to over 30 countries and regions, including the United States, Europe, Russia, the Middle East, Turkey, Latin America, India, South Korea and Australia. We serve more than 500 clients across power, electronics, new energy, transportation, and communications industries. Vision & Mission We will continue to uphold the principle of “Quality First, Credit First.” From a customer-oriented perspective, we are committed to delivering reliable and consistent product quality, helping our customers create greater long-term value. Through stable performance and trustworthy service, we are committed to building lasting partnerships with our clients while striving for position YILONG as a globally recognized supplier of reliable, high-quality insulation materials.

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Epoxy Glass Laminates

Phenolic Cloth Laminates

Phenolic Paper Laminates

FR4, G10

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Qingdao Yilong Insulation Material Co., Ltd. company overview - view 1

Manufacturer

Business Type
1966

Year Established
Above 100,000 square meters

Factory Size
US$10 Million - US$50 Million

Annual Export Value

Company Detail

Transparency is the foundation of our partnership. Below is a comprehensive overview of our operational metrics, from business scale to global market reach, giving you a clear picture of our capabilities.

301 - 500 People Total Employees
21-50 People Sales Staff
20-50 People Quality Inspectors
ISO9001, ISO14000 Product Certifications
US$10 Million - US$50 Million Annual Export Value
North America, South America, Eastern Europe, Southeast Asia, Oceania, Mid East, Eastern Asia, Western Europe, Central America, Northern Europe, Southern Europe, South Asia, Domestic Market Main Markets
Qingdao, Ningbo, Tianjin, Shanghai Port of Shipment
Insulation Sheet Main Industry

Quality Control

Strict quality control is applied throughout the entire process, from raw material inspection and in-process monitoring to final product and shipment inspection. All materials and CNC machined parts are tested for chemical, mechanical, electrical, and dimensional accuracy according to drawings and standards. With advanced testing equipment, batch traceability, and continuous improvement, we ensure stable, consistent quality that meets international and customer requirements.
Our Services

YILONG specializes in electrical insulation materials. Main products include epoxy glass laminates, phenolic cotton laminates, phenolic paper laminates, engineering plastics, and mica sheets for industrial and electrical applications. We also provide custom size cutting, precision CNC machining according to drawings, OEM and customized manufacturing, sample support, certification assistance, technical consultation, strict quality inspection, and reliable after-sales support.

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Company History

Founded in 1966, we satrted in industrial materials manufacturing and has grown into a professional manufacturer in the electrical insulation materials industry. We underwent restructuring in 1993 into a shareholding cooperative company and was upgraded to a joint-stock company in 2002. In 2005, YILONG subsidiary was established to manage international import and export business. We have since expanded the production capacity and product range, building a stable global market presence with exports to worldwide.

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Our Team

YILONG is supported by a strong team, including 310 production staff, 36 technical professionals, 28 export sales members, and 16 QC inspectors ensuring strict quality control. We also have experienced CNC operators, engineering specialists for customized solutions, and a responsive sales and technical support team. With coordinated production, inspection, and service processes, YILONG is well-equipped to handle large-volume orders with stable quality and efficiency.

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