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Careful SCRC Customizable Snap Ferrite Kit with 3-13mm ID Multi-Parameter Cores in Thick PP Box for Daily Devices - RoHS & REACH Compliant
Product Highlights
Multi-ID Combo for Various Cable Sizes - Includes five common inner diameters (3, 5, 7, 9, and 13mm) fitting everything from slim USB leads to thick power cords
Multi-Parameter Cores for Comprehensive Testing - Variety of permeability and impedance options for side-by-side testing and optimal EMI suppression solutions
Durable PP Plastic Storage Box - Impact-resistant, moisture-proof case with compartment layout for organized, long-term storage
Flexible Customization Options - Customize core sizes, quantities, and packaging with OEM/ODM support for specific product line requirements
Globally Certified Quality - ISO9001 manufacturing with full RoHS/REACH compliance and batch impedance testing for consistent reliability
Manufacturer Profile
Hangzhou Careful Electronics Co., Ltd., a subsidiary of Huzhou Careful Magnetism Co., Ltd., specializes in international client development. Established in 2001 as a key enterprise in Huzhou City, the company is recognized as a "High and New Technology Enterprise in Zhejiang Province."
With over 25 years of industry experience and three manufacturing facilities, Careful employs over 1,000 staff including 120 management and technical professionals. The company operates a technological center equipped with international-level automatic magnetic material examination equipment and advanced production lines.
Production Capabilities
Core product lines include EMI Core Series (Ferrite core & Dust core) and Inductance Series, comprising 2 categories with 2,000 specifications. Annual production capacity reaches 6,000 tons of soft ferrite core, establishing Careful as China's largest EMI core production base with annual sales exceeding $100 million USD.
Customization Services
We offer flexible customization options including color, packaging, customer logo, and material composition for larger orders and valued clients.
Production Workflow
Global Presence
Over 60% of products are exported to Southeast Asia, USA, and Europe, serving major clients including AOC, DAWOO, and Haier Electric appliances. The company maintains ISO9001, RoHS, and REACH certifications with a comprehensive quality control system.
Packaging & Shipping
Frequently Asked Questions
Who are we?
Based in Zhejiang, China since 2001, we serve domestic markets (60%) and international clients across Eastern Europe, South Asia, North America, Europe, and other global regions. Our organization employs 280+ professionals.
How can we guarantee quality?
We implement pre-production sampling before mass production and conduct final inspection before shipment to ensure consistent product quality.
What can you buy from us?
Our product portfolio includes Soft Ferrite Core, Amorphous core, Inductors, and NiZn ferrite components.
Why should you buy from us instead of other suppliers?
As China's largest ferrite core manufacturer with over 30 years of experience, we also produce Amorphous core, SMD core, and inductors. Our client portfolio includes Microsoft, GREE, Midea, SAMSUNG, and ASUS.
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....
