High-quality enameled wires and continuously transposed conductors engineered for motors, transformers, and industrial automation equipment.
As the international community transitions towards hyper-electrification, carbon neutrality, and highly intelligent industrial grids, the demand for high-reliability winding wire technology has escalated to an unprecedented high. Polyester coated cables and enameled wires represent the fundamental electromagnetic core driving this global transformation. By applying precise coatings of polyester resins (PEW), modified polyesterimide (EIW), or polyamide-imide (AIW) over oxygen-free copper, high-purity aluminum, or copper-clad aluminum (CCA) substrates, engineers achieve exceptional dielectric breakdown values, thermal resistance, and space-saving profiles.
From a macro perspective, the transition to high-voltage operation regimes (such as the modern 800V electric vehicle architecture) requires magnet wires that resist transient voltage peaks, micro-partial discharges, and intense thermal strain. Today's manufacturing demands go beyond standard specifications; they require comprehensive technical support, tight tolerances, and predictable chemical behavior under extreme conditions. China's advanced fabrication facilities have established themselves as international centers of manufacturing excellence, offering globally compliant products that compete at the highest level of material science.
Enabling loss-reduced power grid transformations with customized CTC windings, lowering eddy-current losses in ultra-high voltage (UHV) power systems.
Specifically engineered enameled flat wire profiles that increase the slot-fill factor in high-power density EV drive motors and reduce thermal bottleneck points.
Providing exceptional mechanical flexibility, wear resistance, and long-term durability for fast-moving industrial robotic arms and precise sensors.
Customer needs as the core. Suzhou Daiming Electrical Materials Co., Ltd., is a leading manufacturer of high-quality enameled wires: enameled aluminum wires, enameled copper wires, and enameled copper-clad aluminum wires. Situated on a sprawling 258,333.33 ft² site, our advanced production facility houses 30 state-of-the-art production lines. This robust infrastructure enables us to maintain a stable and high-volume output, ensuring consistent supply to meet global market demands. With strict quality control at every stage, from raw material inspection to final product testing, we uphold the highest industry standards, guaranteeing the durability and performance of our enameled wires.
Our dynamic development program ensures we stay ahead of industry demands, like the 800V high-voltage trends reshaping the market. With over ten years of industry experience, our engineering team is proficient in product characteristics, international standards, and advanced fabrication flows.
Different industrial environments require specific thermal and chemical performance characteristics. The table below details the performance characteristics of our polyester-based and modified high-temperature winding wire coatings:
| Coating / Base Enamel Type | Common Acronyms | Thermal Class Rating | Dielectric Breakdown (Typical) | Key Properties & Advantages | Primary Industrial Applications |
|---|---|---|---|---|---|
| Polyester (Polyurethane Overcoat) | PEW / UEW | 130°C to 180°C | ≥ 7.5 kV | Highly solderable without stripping, cost-efficient, excellent winding flexibility. | Relays, small motors, solenoid valves, home appliances. |
| Modified Polyesterimide | EIW | 180°C to 200°C | ≥ 8.5 kV | Superior heat shock resistance, high cut-through temperature, solvent resistant. | Heavy-duty industrial motors, hermetic compressors, dry-type transformers. |
| Polyamide-imide (Overcoat) | AIW / EIW-AIW | 220°C | ≥ 10 kV | Excellent resistance to partial discharge, high overload resistance, chemical and oil stability. | 800V EV traction motors, wind turbine generators, aerospace power systems. |
| Paper / Mesh Wrapped CTC | CTC System | 105°C to 120°C (oil-immersed) | Substrate Dependent | Minimized eddy-current losses, superior mechanical strength against short-circuit forces. | Large power grid transformers, hydro-power plants, high-capacity shunt reactors. |
We combine advanced metallurgy with precision chemical engineering to ensure every batch of enameled wire meets your performance requirements.
Each roll of enameled wire undergoes rigorous in-line laser inspections to guarantee uniform thickness and zero pinhole defects.
Engineered for high adhesion, scratch resistance, and flexibility, preventing crack formation during high-tension automatic coil winding.
From round wire to flat rectagonal profiles, we offer precise matching of dimensions and insulation thickness to maximize your magnetic slot-fill factor.
Our 30 high-capacity lines and vertically integrated raw material supply ensure reliable, on-time deliveries for long-term supply partnerships.
Our high-conductivity enameled wires help improve efficiency in energy-saving motors, solar inverters, and clean energy applications.
Our engineers bring over ten years of industry experience, assisting you with technical standards, compliance, and material selection.
Modern electrical infrastructure requires compliance with international specifications. We manufacture and certify our products to meet key global industrial standards:
Our global supply system ensures that when you source from our facility in China, your engineering, quality, and supply chain departments receive the complete documentation required for seamless qualification.
Designed to withstand cyclic thermal loads and high mechanical stresses in industrial drivetrains, distribution transformers, and auxiliary machinery.
Cost-effective, solderable enameled aluminum and copper wires that optimize production speed and power efficiency in consumer electronics.
Continuously Transposed Conductors (CTC) optimized for large power grids, assisting in modern infrastructure upgrades like the Eurasian Grid and long-distance transmission systems.
The enameled wire industry is shifting toward thinner insulation profiles, higher thermal resistance, and flat wire (rectangular) layouts. These advancements help engineers design smaller, lighter, and more efficient electromagnets and motors. Keeping up with these changes is essential to maintaining your competitiveness in the global market.
New Overseas Shipment News | High-quality CTC Continuous Transposed Conductors Exported to Turkey, providing robust stability for regional grid updates and high-load transmission equipment.
Read Full Story →With the rapid development of new energy and high-end manufacturing in 2026, cost control and material efficiency are driving manufacturers to adopt lightweight enameled aluminum wire solutions.
Read Full Story →Faced with operational challenges caused by raw material price fluctuations, copper-clad aluminum (CCA) has become a preferred alternative to lower production costs without compromising electrical conductivity.
Read Full Story →Browse our detailed FAQ section for answers to common questions about material selection, thermal classes, and purchasing enameled wires.
Browse our full selection of enameled aluminum, copper, and composite wires manufactured to strict international standards.
Contact our engineering support team today to receive detailed technical specifications, project consultations, and custom wholesale pricing.
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