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Xuchang Chengrui Insulation Materials Co., Ltd. is a trusted manufacturer of high-performance electrical insulation paper, films, boards, and composite materials. UL certified, IEC compliant, and exported to over 100 countries.
A reliable partner in electrical insulation solutions with over 15 years of expertise in manufacturing high-quality materials for motors, transformers, and industrial systems.
Xuchang Chengrui Insulation Material Co., Ltd. is a leading global supplier of electrical insulation solutions. Our comprehensive product line includes composite papers (DMD, NMN), insulation films, sleevings, pressboards, and specialty papers designed for durability and performance under extreme conditions.
All our products comply with international IEC standards and are UL certified. We maintain strict quality control from raw material sourcing to finished goods, ensuring consistency and reliability across every batch.
High-performance electrical insulation materials engineered for reliability, heat resistance, and long-term durability.
Epoxy-coated electrical insulation paper with diamond pattern for enhanced adhesion and mechanical strength.
High-density pressboard paper for transformer insulation with excellent dielectric strength.
100% sulfate wood pulp kraft paper for high-voltage cable insulation.
Laminated pressboard for transformers and high-voltage equipment.
Highly flexible crepe paper made from superior sulfate insulation pulp.
Three-layer composite: polyester film sandwiched between two layers of insulating paper.
Two-ply laminate: polyamide film between two layers of presspaper.
Three-ply laminate with Nomex® and polyester film for superior performance.
Engineered for performance, durability, and global compliance.
All products are UL recognized and meet rigorous safety and performance standards.
Designed and tested to meet international IEC standards for electrical insulation.
We offer tailored materials to meet specific voltage, temperature, and mechanical needs.
Trusted by clients in over 100 countries with reliable logistics and support.
Quick answers to your pressing questions.
A: Our products comply with IEC standards and are UL certified. We can also provide RoHS environmental certification reports upon customer request.
A: Yes, we offer flexible customization for thickness, width, thermal class, and mechanical properties to meet your design requirements.
A: Standard lead time is 15–25 days depending on order size and customization. We offer expedited options for urgent needs.
A: Yes, we provide free samples for evaluation. Shipping may apply depending on destination.
A: Our products are used in motors, transformers, generators, EVs, power cables, and industrial drive systems worldwide.
Contact Xuchang Chengrui Insulation Materials Co., Ltd. for product inquiries, samples, or custom solutions.
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