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Qingdao Yilong Insulation Material Co., Ltd.
Business License
Main Products: Epoxy Glass Laminates, Phenolic Cloth Laminates, Phenolic Paper Laminates, FR4, G10
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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ManufacturerBusiness Type
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1966Year Established
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Above 100,000 square metersFactory Size
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US$10 Million - US$50 MillionAnnual Export Value
Featured Products
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G5/G9 Melamine Glass Sheet (MFGC201, HGW2272)NegotiableMOQ: 500 Kilograms -
G15/G-30 Polyimide Glass Laminate (PIGC301)NegotiableMOQ: 500 Kilograms
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PFCP206 Phenolic Paper Sheets (XXXP)NegotiableMOQ: 500 Kilograms
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PFCP201 Phenolic Paper Sheets (HP2061/NEMA X, XP), BakeliteNegotiableMOQ: 500 Kilograms
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PFCP203 Phenolic Paper Sheets (XXP, 3021, HP2061.6)NegotiableMOQ: 500 Kilograms
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PFCC204 Textolite Phenolic Cotton Cloth Sheet (NEMA LE, HGW2083.5, 3028)NegotiableMOQ: 500 Kilograms
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PFCC203 Textolite Phenolic Cotton Cloth Sheet (NEMA L, HGW2083, 3026)NegotiableMOQ: 500 Kilograms
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PFCC201 Textolite Phenolic Cotton Cloth Sheet (NEMA C, HGW2082, 3025)NegotiableMOQ: 500 Kilograms
PFCC202 Textolite Phenolic Cotton Cloth Sheet (NEMA CE, HGW2082.5, 3027)
Negotiable
MOQ: 500 Kilograms
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Modified Bismaleimide Laminated Glass Cloth Board (BMGC301)NegotiableMOQ: 500 Kilograms
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Modified Diphenyl Ether Laminated Glass Cloth Board (3255)NegotiableMOQ: 500 Kilograms
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3241 Semiconductor Epoxy Glass SheetNegotiableMOQ: 500 Kilograms
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CCL Copper Clad Laminate / FR4 CCL / FR1 CCL / CEM-1NegotiableMOQ: 500 Kilograms
Product Categories
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All Products
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Epoxy Fiberglass Sheets
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Phenolic Cotton/Paper Sheets
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More Insulation Sheets
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Unsturated Polyester Glassfiber Sheets
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Insulation Rods
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Insulation Tubes
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Engineering Plastics
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Mica Products
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ESD FR4 SheetNegotiableMOQ: 500 Kilograms
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SMC Sheet Molding CompoundNegotiableMOQ: 500 Kilograms
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GPO-3 / UPGM203 UNSATURATED POLYESTER GLASS MAT SHEET (HM2471)NegotiableMOQ: 500 Kilograms
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G7 Silicone Glass Laminate Sheets (SIGC201, HGW2572)NegotiableMOQ: 500 Kilograms
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G-3 Glass Phenolic Laminate (PFGC201, HGW2072)NegotiableMOQ: 500 Kilograms
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EPGM203 Epoxy Glass Mat Laminated SheetNegotiableMOQ: 1000 Kilograms
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G11-R Epoxy Glass Roving Sheet / EPGC205NegotiableMOQ: 1000 Kilograms
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3240 Epoxy Fiberglass SheetNegotiableMOQ: 500 Kilograms
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G11-H Epoxy Glass Laminate Sheet / EPGC308NegotiableMOQ: 500 Kilograms
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FR5 Fiberglass Sheet UL94 V-0 / EPGC204 SheetNegotiableMOQ: 500 Kilograms
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Quality ControlStrict incoming raw material inspection before production Chemical, mechanical, and electrical performance testing of materials In-process quality control during every manufacturing stage Dimensional inspection for all finished products CNC machined parts accuracy checking according to drawings Sampling inspection for each batch production Advanced testing equipment to ensure stable performance Compliance with international standards and customer requirements Final inspection before packaging and shipment Traceability system for every production batch Continuous quality improvement and process optimization Professional QC team with 16 inspectors ensuring product consistency -
Our ServicesManufacturer electrical insulation materials Main products are epoxy glass laminates, phenolic cotton laminates, and phenolic paper laminates Supply engineering plastics and mica products for industrial applications Support custom size cutting and processing Provide precision CNC machining according to drawings OEM and customized manufacturing service available Sample support for testing and evaluation Certification support for different market requirements Professional technical consultation and application support Stable quality control and inspection before shipment Reliable after-sales service and long-term cooperation support -
Company HistoryFounded in 1966, starting from the manufacturing of industrial materials In May 1993, completed the first enterprise restructuring, transforming into a shareholding cooperative company through employee stock ownership, with all state-owned net assets fully subscribed In 2002, upgraded into a joint-stock company with improved corporate governance structure In 2005, established YILONG subsidiary company, responsible for international import and export business Continuously expanded production capacity and product range in electrical insulation materials industry Developed long-term global market presence with exports to multiple countries worldwide -
Our Team310 experienced employees supporting stable production capacity 36 technical professionals specializing in insulation materials and applications 28-member international export sales team with global market experience 16 dedicated QC inspectors ensuring strict quality control standards Skilled production workers with years of manufacturing experience Professional engineering team for customized insulation solutions Experienced CNC machining operators and technical staff Fast-response customer service and technical support team Coordinated teamwork from production to shipment and after-sales service Strong management and manufacturing capability for large-volume orders
