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Chinese silicon steel output reached 16.1 million tons in 2024. Furthermore, Chinese mills now supply half the world’s electrical steel. At Jiangsu Zhongtong Weiye Special Steel Co., Ltd. in Wuxi, we ship that modern Chinese product to transformer and motor makers worldwide. Here is what buyers get.

The Two High-End Grades

Grade type	Technology barrier	Main use
CRGO (grain-oriented)	Goss texture, inhibitors	Power transformers
High-grade CRNGO	Clean steel, thin gauge	Premium motors, EV drives

We supply M3 Grain Oriented Electrical Steel, M4 Grain Oriented Electrical Steel, and M5 Grain Oriented Electrical Steel. Furthermore, we supply M19 Non Oriented Electrical Steel for high-efficiency motors.

What This Means for Buyers

Chinese mills now produce consistent Hi-B CRGO. Furthermore, they supply 0.15–0.20 mm CRNGO for EV motors. Consequently, buyers no longer need to wait 20 weeks for Japanese or Korean material. Instead, they source from Chinese stock with 3–7 day delivery.

Quality and Documentation

Modern Chinese electrical steel ships with:

• MTC EN 10204 3.1.
• Core loss measured per ASTM A343 / IEC 60404-2.
• Thickness and width tolerances.
• Insulation coating specification.

Consequently, international transformer and motor makers accept Chinese material under their QA system.

What We Supply

We ship electrical steel coil:

• CRGO: M3, M4, M5.
• CRNGO: M19, M27, M36, M43.
• Thickness: 0.18–0.50 mm.
• Slit to width: ±0.05 mm.
• Coil ID: 508 mm or 406 mm.

Furthermore, we pack for ocean freight with VCI paper.

What We Do Not Do

We do not:

• Manufacture transformers or motors.
• Stamp finished laminations.
• Supply amorphous or nanocrystalline cores.

Consequently, we are your Wuxi-based electrical steel coil supplier.

Specify Your Silicon Steel

Tell us:

1. Equipment type (transformer or motor).
2. Required grade (M3, M4, M5, M19, etc.).
3. Thickness and slit width.
4. Destination port.

We will confirm stock and quote.

• Email: vera.liang@ztwysteel.com
• Location: Xishan District, Wuxi, Jiangsu, China
• Supply range: CRGO grain-oriented steel, CRNGO non-oriented steel, slit strip
• Slitting tolerance: ±0.05 mm
• Documentation: MTC EN 10204 3.1 with core loss, thickness, width, and coating

We reply within one working day.