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HuanTongcx is a professional magnetic materials manufacturer over 18 years.

Products
Epoxy-Coated Neodymium Disc Magnets N35-N52 | Waterproof Rare Earth Round Magnets for Marine & Outdoor Use
These waterproof epoxy-coated neodymium disc magnets deliver unbeatable corrosion resistance for marine, outdoor and wet industrial use. Choose from N35 to N52 strength grades, with multi-size options to meet all your heavy-duty magnetic holding needs – no rust, no performance loss.
Industrial Nameplate Magnets – Strong Rubber Coated Magnets for Equipment Labels & Identification
These industrial nameplate magnets securely mount equipment labels, machine tags & identification plates – strong, rust-resistant, and repositionable for factory/warehouse use.
Wall Safe Magnetic Stickers with Masking Tape – Reusable Rubber Magnets for Hanging Posters, Photos & Decor
These wall-safe magnetic stickers (with included masking tape) let you hang posters, photos & decor without nails, holes, or wall damage. Reusable rubber magnets stick securely – perfect for renters, dorm rooms, or painted walls.
EMI RFI Shielding Ferrite Core Magnetic Rings – Anti-Interference Cable Clamp Chokes
These anti-interference ferrite magnetic rings reduce EMI/RFI noise for cables (USB, HDMI, power) – snap-on/clip-on design, multi-size options, perfect for audio/video devices, computers, and electronics.
DIY MagSafe Alignment Ring Kit – Scratch-Free Phone Case Magnet for Wireless Charging
This DIY MagSafe alignment ring kit turns any phone case into a MagSafe-compatible one: ultra-thin, scratch-free, and installed in 1 minute. Perfect for wireless charging, magnetic mounts, and keeping your favorite case.
Minimalist Black Magnetic Levitation Pen – Floating Desk Pen for Office & Home Decor
This minimalist black magnetic levitation pen floats mid-air, doubling as a rechargeable touch pen & ballpoint. A sleek tool + modern decor piece – ideal for offices, homes, or tech-focused gifts.
Rubber Coated Magnetic Fasteners – Circular/Square Neodymium Magnets with Screw Holes
Rubber coated circular/square neodymium magnets with 5 screw hole types (flat/convex/outer stud/through/countersunk). Waterproof, shockproof, & reusable – perfect for outdoor mounting, industrial fastening, & DIY projects.
Motor Magnetic Assemblies – Rotor/Stator Magnets for BLDC/EV/Robotics Motors
Our motor magnetic assemblies (rotor/stator magnet rings, arc magnets) are engineered for BLDC/EV/robotic motors. High-strength NdFeB magnets with multipole magnetization, precision machining, and OEM customization for motor efficiency & power density.
N52 Block Neodymium Magnets – Square Rare Earth Magnets for Industrial & Robotics
Our N52 block neodymium magnets (square rare earth magnets) deliver extreme holding power for industrial fixtures, robotics, and electronics. NiCuNi coated, custom dimensions available in bulk quantities.
N52 Neodymium Disc Magnets - Strongest Rare Earth Magnets for Industrial & DIY
Our N52 neodymium magnets (the strongest commercial rare earth magnets) deliver 600x self-weight lifting force. Ideal for industrial fastening, electronics components, DIY projects. NiCuNi coated, custom sizes available in bulk.
Magnet Ring | Magnetic Ring for Wireless Charger & Phone Case
Our MagSafe Magnet Ring is designed to provide precise magnetic alignment for wireless charging systems. Available in receiving-end and transmitting-end configurations, these magnetic rings are widely used in phone cases, wireless chargers, power banks, and MagSafe-compatible accessories.
Neodymium Block Magnet High Power NdFeB Cube Magnet N35 N42 N52 Rare Earth Strong Permanent Magnet
Our Neodymium Block Magnets are made from high-performance NdFeB material, offering extremely strong magnetic force in a compact rectangular shape. These magnets are widely used in industrial manufacturing, automation equipment, electronics, fixtures, and DIY applications where reliable holding power is required.
Name Badge Magnet | Double Magnet Name Tag Fastener No Pin
The Double Plastic Name Badge Magnet is a strong, reliable magnetic fastener designed for name badges, ID cards, and promotional tags. Featuring a dual-magnet structure enclosed in a durable plastic housing, it provides secure holding power without damaging clothing—no pins, no holes, no discomfort.
Magnetic Photo Frame | A3 A4 A5 A6 Magnetic Sign Holder Display
Our magnetic photo frame is designed for quick and effortless poster or document replacement. Featuring a strong magnetic border and a clear front panel, it securely displays menus, ads, certificates, notices, photos, and artwork. Available in A3, A4, A5, and A6 sizes, it’s ideal for restaurants, offices, stores, exhibitions, and home decoration.
Square Rubber Magnet Pads | Printable Flexible Magnetic Sheets for Craft, Labeling, and Sign Display
These square rubber magnet pads are designed for versatile use across home, office, DIY, retail, and industrial environments. Made with flexible rubber magnetic material, they are durable, lightweight, and highly customizable with white or black surfaces, making them ideal for labeling, crafting, organization, and promotional products.
Strong Rubber Coated Neodymium Magnet Base with Threaded Insert | Waterproof Magnetic Mount for Hooks, Tools, and Industrial Use
Our rubber-coated magnets are engineered for demanding industrial and commercial applications where durability, strong holding force, and surface protection are essential. With premium neodymium cores and wear-resistant rubber shells, these magnets deliver powerful performance while preventing scratches on delicate surfaces.
Strong Neodymium Magnetic Hook for Organizing and Hanging Tools & Items
The Magnetic Hook is a compact yet powerful storage solution that uses a high-strength neodymium magnet combined with a durable steel housing. Designed to attach instantly to any metal surface, this magnetic hook provides strong vertical and horizontal holding power for home, office, workshop, warehouse, kitchen, and outdoor applications.

Its minimalist design, sturdy steel hook, and anti-scratch base make it practical, clean, and long-lasting—perfect for keeping your space organized without drilling or permanent installation.
NdFeB Circular Ring Magnet for Industrial and Mechanical Applications
The Neodymium Ring Magnet is a high-strength rare earth magnet designed for applications requiring both strong magnetic pull and a functional center hole for mounting, fastening, or rotational systems. Manufactured from premium NdFeB material, this ring magnet delivers maximum magnetic performance in a compact form, making it ideal for mechanical assemblies, sensors, motors, fixtures, audio devices, and engineering projects.

With a smooth, corrosion-resistant coating (Nickel / Epoxy / Zinc), this ring magnet ensures long-term durability, stable magnetization, and precise dimensional accuracy.
Heavy Duty Rectangular Pot Magnet with Steel Channel Housing | Strong Mounting Magnet for Industrial Holding & Fixtures
Our Rectangular Pot Magnet is built using premium neodymium (NdFeB) material combined with a reinforced steel channel to maximize magnetic performance. The steel housing not only boosts the magnet’s effective pull force but also protects the magnetic core from mechanical damage, ensuring excellent durability in industrial environments.

This magnet is commonly used for metal fabrication, cabinetry, workshop jigs, tool mounting, production lines, signage installations, and countless other tasks requiring stable and heavy-duty holding power. Its compact rectangular form allows it to fit into narrow or structural spaces where traditional round pot magnets cannot be used.
Heavy-Duty Steel-Sleeved Neodymium Fishing Magnet with Anti-Collision and Anti-Fall Protection
This steel-sleeved neodymium magnet is engineered for high-impact environments where durability and extreme pulling power are essential. Featuring a stainless steel protective shell, the magnet is shielded from cracking during collisions or accidental drops. The steel sleeve reduces breakage by up to 90%, extending the product’s lifespan and guaranteeing safe, reliable performance.
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HuanTongcx is a custom magnet supplier which providing neodymium magnet, ferrite magnet, samarium cobalt magnet for various industries.
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No. 73-75, Dalang Section, Guan Zhang Road, Dalang Town, Dongguan City, Guangdong Province, China

Contact person: Mr.Zeng
Tel: +86-13925718949
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