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Premium High Permeability Toroidal Cores for Inductors and Reactors
US$3.50
10-49 Pieces
US$3.00
50-99 Pieces
US$2.50
100-499 Pieces
US$1.70
500+ Pieces
Sample price:US$4.00/piece.Request sample
Product profile
Customization
AvailableMaterial
Iron-based Amorphous CoreShape
ToroidalModel NO.
1K101/1K107Certification
ISO9001Application
Transformer, Inductor, ReactorChemical Composition
Fe,Si,BSize
Customized SizeGrade
1K101Coating
Black Tape/Crepe PaperCharacteristics
Low Loss, High PermeabilityTransport Package
Tin Box + CartonSpecification
CustomizedOrigin
ChinaProduction Capacity
50000pieces/MonthKey features
High Permeability Material: Iron-based amorphous core with low loss and high permeability for efficient performance.
Customized Sizes Available: Offering customized toroidal core sizes to meet specific application requirements.
ISO9001 Certified Quality: Manufactured under ISO9001 certification ensuring consistent high-quality standards.
Energy Saving Efficiency: Amorphous alloy provides high saturated induction and low core loss for energy saving.
Versatile Applications: Suitable for transformers, inductors, reactors, and EMC common mode inductors.
Professional Customization: Partner factories with professional equipment ensure customization meets unique needs.
Reliable Delivery Service: On-time delivery guaranteed with flexible terms like FOB, CIF, and EXW available.
Global Supply Network: Top agent for steel mills in Asia and Europe, ensuring best quality and price.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2017-08-01 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤6.57h 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 toroidal cores?
A:
The cores are made of iron-based amorphous material, known for high permeability and low loss.
Q:Are the core sizes customizable?
A:
Yes, we offer customized sizes for the toroidal cores to fit specific application needs.
Q:What certifications do the products have?
A:
Our products are ISO9001 certified, ensuring high quality and consistent manufacturing standards.
Q:What are the main applications for these cores?
A:
They are widely used in transformers, inductors, reactors, and EMC common mode inductors.
Q:How do you guarantee product quality?
A:
We provide a pre-production sample before mass production and conduct final inspection before shipment.
Send Inquiry
*To:
Nanjing Evergrowing Resources Co., Limited
Nanjing Evergrowing Resources Co., Limited*Content:
Supplier replies will be sent to your registered email
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