What is the maximum weight capacity for stacked cores?

Max weight of automatic stacked core is 60 Ton, and manually stacked core is 80 Ton.

Do you provide after-sales service?

Yes, we provide 24/7 technical support, expert remote diagnosis, on-site assistance, genuine parts assurance, scheduled inspections, and customized training services.

High Efficiency Oil-Filled Transformer Core for Three Phase Applications

Name: High Efficiency Oil-Filled Transformer Core for Three Phase Applications
Brand: Hunan Zhuofan Electric Power Equipment Co. Ltd
SKU: 2148070202

Hunan, ChinaHunan Zhuofan Electric Power Equipment Co. Ltd

US$1,900.00

1-9 Tons

US$1,880.00

10-19 Tons

US$1,850.00

20-49 Tons

US$1,830.00

50-69 Tons

US$1,800.00

70+ Tons

Sample price:US$20.00/kg.Request sample

Product profile

Customization

Available

Application

Power, Electronic

Phase

Single

Core

Core-type Transformer

Cooling Method

Oil-immersed Type Transformer

Winding Type

Separated Winding Transformer

Certification

ISO9001

Usage

Single-phase Transformer, Power Transformer, Distribution Transformer

Frequency Characteristics

50Hz/60Hz

Shape of Core

Transformer Core

Brand

Wisco

Transport Package

Standard Export Package

Specification

OEM(According to Drawing)

Trademark

Zhuo Fan Power

Origin

China

HS Code

8504901900

Production Capacity

5000ton/Per Month

Key features

Exclusive WISCO Partner: Exclusive user of WISCO and Baowu Group partner for premium CRGO silicon steel.

24/7 Technical Support: Round-the-clock hotline support with remote diagnosis and on-site assistance.

Customized Manufacturing: Full OEM/ODM support based on customer drawings for specific transformer cores.

High Efficiency Material: Low carbon silicon iron alloy with high permeability and low iron loss.

Large Production Capacity: Monthly capacity exceeds 5,000 tons with 100,000 tons annual output.

Comprehensive Quality Control: ISO9001 certified with rigorous pre-order calculation and post-production testing.

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: ≤2.72hTerms 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.

Product Q&A

Q:What kinds of products can we provide?

OEM transformer core, CRGO mother coils, silicon steel, slit coils, transformer lamination.

Q:Who are we?

We are a pioneering force in CRGO silicon steel products in China and the exclusive user of WISCO.

Q:How can we guarantee quality?

We have the certification of ISO9001 Standard. Before placing an order, our engineers conduct thorough calculations. After production, we rigorously test each product before dispatch.

Q:Why should you buy from us and not from other suppliers?

With over 10 years of experience in producing transformer cores, we utilize advanced Manufacturing Equipment. The month transformer core production capacity exceeds 5,000 tons.

Q:What are the core specifications available?

We offer various grades including Common Type (23Q110-30G120), High Type (B20P080-B30P120), and Domain Refined High Induction Type (B20R070-B23R085) with specific core loss and induction values.