What is the gap limit at the joint?

The gap limit at the joint is strictly controlled to be less than 1.0mm.

What are the available thickness options?

We offer thickness options of 0.30mm, 0.27mm, 0.23mm, and 0.20mm.

What is the lead time for production?

Both peak season and off-season lead times are within 15 workdays.

Premium Custom CRGO Transformer Core Silicon Steel Coils for Optimal Performance

Name: Premium Custom CRGO Transformer Core Silicon Steel Coils for Optimal Performance
Brand: Hunan Zhuofan Electric Power Equipment Co. Ltd
SKU: 2269964875

Hunan, ChinaHunan Zhuofan Electric Power Equipment Co. Ltd

US$1,400.00

1-9 Tons

US$1,380.00

10-19 Tons

US$1,370.00

20-49 Tons

US$1,360.00

50-69 Tons

US$1,350.00

70+ Tons

Sample price:US$20.00/kg.Request sample

Product profile

Customization

Available

Type

Coil

Standard

AISI, GB, BS

Composition

Oritend Silicon Steel

Technique

Cold Rolled

Shape

Roll

Surface Treatment

Coated

Special Use

Oritend Silicon Steel

Application

Powertransformer

Thickness

0.30mm, 0.27mm,0.23mm,0.20mm

Iron Loss

as Requested

Transport Package

Standard Export Package

Specification

Width: 850-1200mm

Trademark

WISCO Zhuo Fan Power

Origin

China

HS Code

72251100

Production Capacity

5000ton/Per Month

Key features

Exclusive WISCO Partner: Exclusive user of WISCO CRGO silicon steel mother coils ensuring premium raw material quality.

Customizable Thickness: Available thickness options include 0.30mm, 0.27mm, 0.23mm, and 0.20mm to meet specific needs.

Tailored Iron Loss: Iron loss specifications can be customized as requested to optimize energy efficiency.

Wide Application Range: Suitable for data center dry-type, oil-immersed, and 500KV ultra-high-voltage power transformers.

Large Production Capacity: Annual capacity exceeds 100,000 tons with monthly transformer core production over 5,000 tons.

Comprehensive Certifications: Certified under ISO9001:2015, ISO14001, and ISO45001:2018 for quality and safety management.

24/7 Technical Support: Round-the-clock hotline support, remote diagnosis, and on-site assistance available for all clients.

Company profile

High Repeat Buyers ChoiceManagement Certification100% Finished Products InspectionImporters and Exporters

Hunan Zhuofan Electric Power Equipment Co. Ltd

Hunan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service AvailableExport Year: 2025-03-01Nearest Port: Guangzhou PortAverage Response Time: ≤2.97hTerms of Payment: T/T, LC

AI-Powered supplier vetting

SummaryThe supplier is identified as a trade company in the manufacturing industry and is described as a professional technical supplier. It offers broad customization and ODM services, reports new products within the past year, and has stated CRGO/transformer-core productivity of 60,000 tons. However, quality assurance is explicitly absent, only one quality inspector is reported, and corrective-action and complaint procedures lack written records. The supplier has inventory capability but no valid manufacturing-capacity contract with related subcontractors, overseas warehouse, showroom, agents, branches, or offline trade-show participation. Export activity is reported at 41%–50% of sales, but exporting began only one year ago. Financial information is incomplete and inconsistent across the reported periods, so credibility cannot be fully assessed. No customer cases or certifications are provided.

CertificationsThe provided information states that quality assurance in quality-control processes is absent. No certification holdings are reported, so certification status cannot be positively verified; the explicit lack of quality assurance is a deficiency relevant to quality-system maturity.

After-Sales capabilityThe supplier has procedures for corrective and preventive actions and customer complaints, but no written records. It has inventory capability and accepts multiple service quotation and payment terms, while lacking overseas warehouses, showrooms, agents, branches, and overseas service coverage. The available evidence shows limited and weakly documented after-sales infrastructure.

R&D capabilityThe supplier reports R&D capability, new products within the past year, and ODM services. It does not provide 3D software design services or an available SDK, so innovation capability is evidenced in product development and design manufacturing but not in software-related development.

Production capacityReported productivity is 60,000 tons for CRGO/transformer cores, with longitudinal, transverse, and laser transverse cutting equipment. Lead time is within 15 working days in both peak and off-season, and inventory capability is available; however, there is no valid contract covering manufacturing capacity with related subcontractors, which limits verification of production control.

Customization capabilityThe supplier explicitly offers customization from designs, full customization, minor customization, flexible customization, and ODM services. This provides direct evidence of broad product customization and original-design manufacturing capability.