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Precision Engineered Toroidal Cores for Efficient Transformer Applications
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
AvailableMaterial
Iron-based Nanocrystalline CoreShape
ToroidalModel NO.
CustomizedCertification
ISO9001Application
TransformerChemical Composition
Fe,Nb,Cu,Si,BType
NanocrystallineKeywords
Transformer CoreGrade
1K107Coating
Black Tape/Crepe PaperAdvantage
Low LossFeature
High Magnetic ContenetSize
Customized SizeTransport Package
Tin Box + CartonSpecification
CustomizedOrigin
ChinaProduction Capacity
50000pieces/MonthKey features
Customized Size Available: Offer customized toroidal core sizes to meet specific transformer application requirements.
High Magnetic Content: Features high magnetic content for efficient transformer applications and superior performance.
Low Core Loss: Iron-based nanocrystalline material ensures low core loss and high energy efficiency.
ISO9001 Certified: Manufactured under ISO9001 certification ensuring consistent quality and reliability.
High Permeability: Amorphous alloy material provides high permeability and high saturated induction.
Direct Factory Sales: Direct sales from factory with advanced equipment, offering price advantages and customization.
15+ Years Experience: Over 15 years of experience supplying industrial products and services globally.
Quality Guarantee: Pre-production samples and final inspections before shipment ensure product quality.
Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2017-08-01 CertifiedNearest Port: Shanghai PortAverage Response Time: ≤7.92h CertifiedTerms of Payment: LC, T/T, D/P, etc. CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR, EXW
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 nanocrystalline material, specifically amorphous alloy strips known for high permeability and low core loss.
Q:Are the core sizes customizable?
A:
Yes, we offer customized sizes for our toroidal cores to meet specific application needs, as indicated in our product attributes.
Q:What certifications do your products have?
A:
Our products are ISO9001 certified, ensuring they meet international quality management standards.
Q:What are the main advantages of your amorphous strips?
A:
Our amorphous strips offer high permeability, high saturated induction, high electrical resistivity, high density, low core loss, and good stability.
Q:How do you guarantee product quality?
A:
We guarantee quality by providing pre-production samples before mass production and conducting final inspections 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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