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.
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Advanced Production Lines
Square Feet Manufacturing Plant
Cooperating Countries & Regions
Analyzing global supply chain adjustments, technical transitions, and the strategic positioning of Suzhou Daiming electrical windings in high-performance power networks.
Global grids demand highly flexible conductors that withstand severe current spikes. Our Continuously Transposed Conductors (CTC) offer advanced mechanical resistance and minimal eddy current loss, critical for next-gen UHV transformers.
Modern EV powertrains are moving from 400V to 800V architectures, demanding winding wire solutions that withstand extreme partial discharge. Our Class 220 enameled flat copper wire guarantees high slot fill factors and exceptional thermal capacity.
Volatile copper prices require strategic solutions. Enameled Copper Clad Aluminum (CCA) wire offers a cost-effective alternative, combining the lightness and cost benefits of aluminum with the superb conductivity of copper.
Detailed design specifications, coating categories, and technical thresholds engineered by Daiming's veteran technical department.
Our enameled aluminum wire options utilize premium EC-grade aluminum rods, ensuring excellent drawability and low electrical resistivity. Features include:
Daiming uses vertical and horizontal double-enameling lines to ensure absolute concentricity of the insulation film. Key highlights:
We support custom parameters to meet unique project specifications, including:
The team members have over ten years of industry experience and are proficient in the product characteristics, international standards, and process flow of enameled wire.
Each roll of enameled wire undergoes rigorous process and quality inspection to ensure stable performance and uniform distribution.
The enameled wire we produce has a uniform and dense paint film, strong adhesion, scratch resistance, and good flexibility.
Not only products, but also professional support. From custom wire diameter specifications to specialized temperature ratings.
With strong production capacity and a complete supply chain system, we ensure on-time delivery across continents.
Our enameled wires are designed for core areas such as high-efficiency, energy-saving motors and sustainable power grids.
How our flexible enameled wire configurations are tailored to unique regional requirements and environmental demands.
Optimized for step-up transformers in extreme climates, featuring UV-resistant, oil-immersion compatible insulation and flexible flat copper conductor matrices that maintain structure during physical thermal cycling.
Complies with European automotive standards, utilizing advanced polyamide-imide (PAI) overcoats over polyesterimide (PEI) basecoats to withstand up to 220°C temperature levels under rapid switching load conditions.
Features hermetic coating technology resistant to moisture ingress and salt spray erosion, preventing early inter-turn insulation failure in high-humidity offshore and onshore marine environments.
We perform systematic quality checks to verify electrical, chemical, mechanical, and thermal performance parameters against global certifications.
Full conformance to international IEC 60317 standards for enameled wire, covering dimensional tolerances and winding flexibility tests.
Strict compliance with American standards, guaranteeing coating adhesion, thermal shock resistance, and breakdown voltage values.
100% heavy metal and halogen-free polymer insulation formulations, fully certified for environmental and user safety.
Our production facility follows a strict ISO-certified quality management system, tracking every batch from raw rod to shipped reel.
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.
A strategic look at Daiming's research priorities, focusing on high-frequency, thermal, and corona resistance optimization.
Developing advanced nanocomposite filled polymers that prevent partial discharge erosion, specifically tailored for 800V+ automotive inverters and high-frequency train traction motors.
Improving transposing density and developing epoxy self-bonding coatings for Continuously Transposed Conductors (CTC), minimizing short-circuit forces inside utility-scale transformers.
Refining copper-to-aluminum ratios to balance high skin-effect efficiency and lightweight performance for high-frequency switch-mode power supplies (SMPS).
Provide customers with professional support throughout the entire process
With the rapid development of new energy and high-end manufacturing in 2026, cost control and quality have become key focal points for transformer and motor manufacturers...
Faced with operational challenges caused by raw material price fluctuations, copper-clad aluminum enameled wire shows prominent advantages amid high copper prices, becoming the preferred choice...
New Overseas Shipment News | High-quality CTC Continuous Transposed Conductors Exported to Turkey, empowering key Eurasian power grid upgrades and high-voltage grid infrastructure...
Technical answers to common questions about flexible coated wire specifications, thermal ratings, and selection criteria.
We use automated inline laser measurement systems on our 30 production lines. This checks insulation coating concentricity in real time, preventing weak spots and potential voltage breakdown.
CTC significantly reduces eddy current losses in large power transformers. By twisting individual insulated strands, it ensures even current distribution, improves windability, and strengthens structural resistance during short-circuit events.
Yes, for many high-frequency or weight-sensitive applications. CCA combines the skin-effect conductivity of copper with the light weight and cost-efficiency of aluminum, offering an effective alternative during periods of high copper prices.
We offer enameled wires ranging from Class 130 to Class 220 (PEW, UEW, EIW, AIW). These are engineered to meet various requirements for domestic appliances, industrial automation, and EV traction motors.
We manufacture flat/rectangular enameled wires. These maximize the slot fill factor in motors and transformers compared to round wires, enabling more power capacity in compact layouts.
Our manufacturing processes and products are fully compliant with ISO 9001, RoHS, REACH, IEC, and NEMA standards, ensuring quality verification for international markets.
