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{"title":"High Frequency Rid Soft Ferrite Balun Core Transformer Iron Rf Core NiZn \/ MnZn","imgUrl":"https:\/\/img.chinax.com\/nimg\/d7\/d3\/d09ec695c41edce179ebfb5353fc-200x200-1\/high_frequency_rid_soft_ferrite_balun_core_transformer_iron_rf_core_nizn_2f_mnzn.jpg","attrs":{"Type":"Soft","Supplier Type":"Factory direct sale","Application":"Electronic and electrical equipment","Brand":"Careful"}}
{"title":"RH 21*29*15 Rohs ISO9001 NiZn MnZn ferrite material EMI NiZn hot sale sleeve","imgUrl":"https:\/\/img.chinax.com\/nimg\/d6\/96\/24a6212e06e5b58f97db710e0b0c-200x200-1\/rh_21_2a29_2a15_rohs_iso9001_nizn_mnzn_ferrite_material_emi_nizn_hot_sale_sleeve_ferrite_tube_cores_with_free_sample.jpg","attrs":{"Type":"soft","Supplier Type":"factory","Application":"electronic and electrical equipment","Brand":"careful"}}
{"title":"Hot sale RH 16*28*7 Rohs ISO9001 NiZn MnZn ferrite material EMI ring ferrite","imgUrl":"https:\/\/img.chinax.com\/nimg\/18\/f3\/3663a27986227211800003d315bb-200x200-1\/hot_sale_rh_16_2a28_2a7_rohs_iso9001_nizn_mnzn_ferrite_material_emi_ring_ferrite_tube_core_for_coaxial_cables.jpg","attrs":{"Type":"soft","Supplier Type":"factory","Application":"electronic and electrical equipment","Brand":"careful"}}
{"title":"Rohs ISO9001 NiZn material flat cable ferrite core with different size","imgUrl":"https:\/\/img.chinax.com\/nimg\/9b\/b2\/92cc55f515f87472a35bdebf6503-200x200-1\/rohs_iso9001_nizn_material_flat_cable_ferrite_core_with_different_size.jpg","attrs":{"Type":"Soft","Composite":"Ferrite Magnet","Shape":"flat","Application":"Industrial Magnet"}}
{"title":"Advanced technology Rohs ISO9001 nizn multi aperture RID type RF balun ferrite","imgUrl":"https:\/\/img.chinax.com\/nimg\/3a\/a0\/75b86e94a05c0d8b3856a43e0e38-200x200-1\/advanced_technology_rohs_iso9001_nizn_multi_aperture_rid_type_rf_balun_ferrite_core.jpg","attrs":{"Type":"Soft","Composite":"Ferrite Magnet","Shape":"double aperture","Application":"Industrial Magnet"}}
Multiple materials available for your custom engraving needs
Key Advantages
25+ Years of Expertise & Extensive Mould Library: Over 25 years of manufacturing experience with comprehensive moulds for various SCRC Type Cores. We meet specific dimensional and material requirements beyond standard supplier capabilities.
Factory-Direct Pricing: As direct manufacturers, we offer substantially lower prices than distributors or branded resellers, maximizing your margins with high-quality SCRC Type Cores.
Ready Stock & Fast Dispatch: Basic SCRC Type Core models kept in stock within our managed warehouse for quick order processing and shorter lead times.
Full Compliance: Products comply with RoHS, REACH, and ISO 9001 standards for hassle-free exporting and regulatory compliance.
Customization & Reliable Logistics: Flexible customization options for color, packaging, logos, and material composition. Long-term logistics partnerships ensure competitive shipping rates and seamless end-to-end experience.
About Our Company
Hangzhou Careful Electronics Co., Ltd. operates as a subsidiary of Huzhou Careful Magnetism Co., Ltd, specializing in international client engagement and development. Established in 2001 as a key enterprise in Huzhou City, we are assessed as "High and New Technology Enterprise in Zhejiang Province."
With over 25 years of experience, we now operate 3 factories serving global clients. Our company employs over 1000 staff members, including 120 management and technology professionals. We maintain a technological center with automatic magnetic material examination equipment and advanced production lines.
We manufacture EMI Core Series (Ferrite core & Dust core) and Inductance Series with 2 categories including 2000 specifications. With an annual output of 6000 tons of soft ferrite core, we have become the largest production base of EMI core in China, with sales reaching 100 million US dollars.
Over 60% of our products are exported to Southeast Asia, the USA, and Europe, serving major clients including AOC, DAWOO, and Haier Electric appliances. We maintain ISO9001, RoHS, and REACH certifications with a complete quality control system.
Company Overview
Factory Profile
Customization Capabilities
Production Workflow
Trade Show Participation
Packaging & Shipping Specifications
Frequently Asked Questions
Who are we?
Based in Zhejiang, China since 2001, we serve Domestic Market (60%), Eastern Europe (10%), South Asia (5%), Eastern Asia (5%), North America (5%), Northern Europe (4%), South America (3%), Southern Europe (3%), Western Europe (2%), Oceania (1%), Central America (1%), and Southeast Asia (1%). Our office employs 280+ people.
How can we guarantee quality?
We provide pre-production samples before mass production and conduct final inspection before shipment.
Why should you buy from us instead of other suppliers?
We are China's largest ferrite core manufacturer with over 30 years of experience, producing Amorphous core, SMD core, and inductors. We are trusted suppliers for Microsoft, GREE, Midea, SAMSUNG, ASUS and other major companies.
Careful Magnetism Co., Ltd. is a leading corporation with over 20 years of experience in Ferrite Core manufacturing. Established in 2001 as Huzhou Cifeng Industry Corporation, a key enterprise in Huzhou City, we have been recognized as a "High and New Technology Enterprise in Zhejiang Province.... Careful Magnetism Co., Ltd. is a leading corporation with over 20 years of experience in Ferrite Core manufacturing. Established in 2001 as Huzhou Cifeng Industry Corporation, a key enterprise in Huzhou City, we have been recognized as a "High and New Technology Enterprise in Zhejiang Province....
