What is the lead time for orders?

During peak season, the lead time is one month. During off-season, it is within 15 workdays.

Do you offer customized products?

Yes, customization is a focus of our services, and we can provide products that meet unique customer needs and standards.

What is the material of the core?

The core is made of iron-based nanocrystalline material, known as a new soft magnetic material with environmental protection and energy saving features.

Premium Toroidal Core with Superior Permeability for Transformers

Name: Premium Toroidal Core with Superior Permeability for Transformers
Brand: Nanjing Evergrowing Resources Co., Limited
SKU: 2080473315

Jiangsu, ChinaNanjing Evergrowing Resources Co., Limited

US$3.50

10-49 Pieces

US$3.00

50-99 Pieces

US$2.50

100+ Pieces

Sample price:US$4.00/piece.Request sample

Product profile

Customization

Available

Material

Iron-based Nanocrystalline Core

Shape

Toroidal

Model NO.

Customized

Certification

ISO9001

Application

Transformer

Chemical Composition

Fe,Nb,Cu,Si,B

Type

Nanocrystalline

Keywords

Transformer Core

Grade

1K107

Coating

Black Tape/Crepe Paper

Advantage

Low Loss

Feature

High Magnetic Contenet

Size

Customized Size

Transport Package

Tin Box + Carton

Specification

Customized

Origin

China

Production Capacity

50000pieces/Month

Key features

Customized Size Available: Toroidal core sizes are fully customizable to meet specific application requirements.

High Permeability Material: Made from iron-based nanocrystalline material offering superior magnetic properties.

Low Core Loss: Features low loss characteristics ideal for high-efficiency transformer applications.

ISO9001 Certified: Manufacturing process adheres to strict ISO9001 quality management standards.

Pre-Production Sampling: A pre-production sample is always provided before mass production begins.

Final Inspection Guarantee: Every order undergoes final inspection to ensure quality before shipment.

Fast Off-Season Delivery: Lead time within 15 workdays during off-peak seasons for quick turnaround.

Global Shipping Options: Supports multiple delivery terms including FOB, CIF, CFR, and Express Delivery.

Company profile

Nanjing Evergrowing Resources Co., Limited

Jiangsu, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2017-08-01 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤5.35h CertifiedTerms of Payment: LC, T/T, D/P, etc. CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR

AI-Powered supplier vetting

SummaryThe supplier information presents a China-based trading company and manufacturer/factory headquartered in Nanjing, Jiangsu. It reports more than 15 years of industry leadership, exports to over 40 countries, and offers amorphous alloy strips, iron cores, nanocrystalline cores, specialty steel products, and related processing services. ISO 9001 certification is stated, while the company description also claims TUV SUD certification and AEO accreditation. Reported production capability includes an annual capacity of 15,000 metric tons for amorphous strip, with a stated ±0.5 μm thickness tolerance. The supplier describes technical customization, cross-border quality assurance, compliance management, inventory hubs, and a 92% client retention rate. However, staff experience, R&D engineer experience, quality-control staffing, and financial information are unavailable. The records also contain inconsistent company names, so legal-entity verification is advisable.

Supplier typeThe supplier is explicitly identified as both a trading company and a manufacturer/factory, based in Nanjing, Jiangsu, China, with business coverage across tools and hardware, metallurgy, minerals and energy, and chemicals. This indicates combined manufacturing and trading activity rather than a purely intermediary role.

CertificationsISO 9001 is explicitly listed for supplier management systems and for the amorphous strip production line. The company description additionally claims TUV SUD certification and AEO accreditation, although the specific certification scopes are not provided.

R&D capabilityThe supplier reports expertise in amorphous alloys, specialty steel, and precision-engineered magnetic components, along with an R&D center for material-property optimization and dimensional tailoring. It also claims ultrathin 25–30 μm amorphous strip production and advanced manufacturing with ±0.5 μm thickness tolerance, indicating stated technical development capability.

Production capacityThe supplier reports an advanced amorphous strip production line with annual capacity of 15,000 metric tons and a stated ±0.5 μm thickness tolerance. Its portfolio includes amorphous strips, iron cores, specialty steel bars, grain-oriented silicon steel, and value-added processing, supporting a broad stated manufacturing scope.

Customization capabilityThe supplier explicitly offers customized alloy grades, surface-treatment customization, application-specific magnetic performance tuning, material-property optimization, and dimensional tailoring. The stated precision capability and customized processing services provide direct evidence of customization capability.

Product Q&A

Q:Who are we?

We are a group of enterprises based in Jiangsu, China, specializing in steel sales and amorphous strip production. We have been dedicated to providing premium quality steel resources to countries worldwide for the past decade.

Q:How can you guarantee quality?

We always provide a pre-production sample before mass production and conduct a final inspection before shipment.

Q:What can you buy from us?

We supply amorphous strips and various types of steel products.

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

We are top agents of several different steel mills in Asia and Europe, possessing international technology to offer best quality products and services.

Q:What services can you provide?

We accept various delivery terms (FOB, CFR, CIF, etc.), payment currencies (USD, EUR, JPY, etc.), and payment types (T/T, L/C, PayPal, etc.). We speak English and Chinese.