What is the lead time for orders?

The average lead time is one month during the peak season and within 15 workdays during the off-season.

What payment methods are accepted?

Accepted payment types include T/T, L/C, D/P, D/A, MoneyGram, Credit Card, PayPal, Western Union, Cash, and Escrow.

Where is the company located?

The company is located in Nanjing, Jiangsu Province, China, and has been serving customers for over 15 years.

EMC Common Mode Choke Coils Ultra Nanocrystalline Iron Core Nanocrystal Toroidal Core

Name: EMC Common Mode Choke Coils Ultra Nanocrystalline Iron Core Nanocrystal Toroidal Core
Brand: Nanjing Evergrowing Resources Co., Limited
SKU: 2123959725

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 Amorphous Core

Shape

Toroidal

Certification

ISO9001

Application

Transformer

Chemical Composition

Fe,Si,B

Type

Amorphous Alloy

Keywords

Transformer Core

Grade

1K101

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 Options: Available in various toroidal sizes with customized dimensions to meet specific application needs.

High Magnetic Performance: Features high permeability, high saturated induction, and high electrical resistivity for efficient operation.

Low Core Loss Material: Utilizes iron-based amorphous core technology known for low core loss and good stability.

ISO9001 Certified Quality: Manufactured under ISO9001 certification ensuring consistent quality and reliability standards.

Energy Saving Efficiency: Amorphous alloy material provides environmental protection and energy-saving benefits compared to traditional materials.

Direct Factory Sales: Offers direct factory sales with price advantages and customized products meeting unique customer needs.

Reliable Delivery Service: Committed to delivering all orders on time with satisfactory service and quality support.

Professional Customization: Partner factories provide professional equipment and staff for high-quality material customization.

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: ≤6.36h 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:What is the material of the core?

The core is made of iron-based amorphous material, also known as amorphous alloy, which is a new soft magnetic material.

Q:Is the size customizable?

Yes, customized sizes are available. The product offers various toroidal dimensions to fit specific application requirements.

Q:What certifications does the product have?

The product holds ISO9001 certification, ensuring that it meets international quality management standards.

Q:What are the main advantages of this material?

The amorphous ribbon offers high permeability, high saturated induction, high electrical resistivity, high density, low core loss, and good stability.

Q:How do you guarantee product quality?

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