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HuanTongcx is a professional magnetic materials manufacturer over 18 years.

Products
Custom Arc & Trapezoidal Neodymium Motor Magnets, High Performance Rare Earth Magnets for BLDC & Servo Motors
Our custom arc & trapezoidal neodymium motor magnets are precision-sintered rare earth NdFeB magnets, specifically engineered for permanent magnet motors, BLDC motors, servo motors and generators. With strict dimensional tolerance and custom arc/segment/trapezoidal shapes, they deliver consistent high magnetic strength, excellent temperature resistance and corrosion protection. These motor magnets can be tailored in grade, size, coating and magnetization pattern to match your motor design requirements, widely used in industrial automation, electric vehicles, household appliances and power generation equipment.
Magnetic Levitating Pen, Anti-Gravity Floating Ballpoint Pen for Office Desk Decoration & Gift
This magnetic levitating pen adopts professional magnetic suspension technology, enabling the pen to float steadily in the air without support. It combines practical writing function and cool anti-gravity visual effect into one. Made of premium material, the pen writes smoothly with durable ink. Equipped with a matching magnetic base, it acts as a chic desk ornament when not in use. A great novelty decoration for office, study and home, also an exclusive creative gift for festivals, business activities and daily gifting.
Custom Size Rubber Encapsulated Magnets, Shockproof Rubber Covered NdFeB for Workshop, Marine & DIY Projects
Our rubber coated neodymium magnets adopt high-performance NdFeB rare earth magnet as inner core, fully wrapped by flexible black rubber via integral encapsulation molding. The outer rubber layer effectively prevents scratching on painted metal, refrigerator, stainless steel and coated equipment surfaces, meanwhile delivering shockproof, anti-slip and corrosion-resistant performance compared with bare magnets. Featured stable strong magnetism, these rubber encapsulated magnets are widely applied in home storage, workshop fixing, equipment installation, marine accessories and DIY assembly, with disc, block, round shapes in stock and customized sizes available.
Heavy Duty Magnetic Name Tag Fasteners, 3M Adhesive Neodymium Magnets for Custom Badges
Our magnetic name badge holders feature powerful neodymium magnets and 3M adhesive backing, offering a pin-free solution for attaching custom name tags, badges and ID cards to clothing. No holes, no fabric damage, just a secure hold even on thick shirts, scrubs and uniforms. The sleek, slim profile keeps badges flat and professional, ideal for offices, events, hospitality and retail settings.
Rustproof Neodymium Magnetic Hooks, 360° Swivel Magnet Hooks for Refrigerator & Tools
Our neodymium magnetic hooks adopt high-performance NdFeB rare earth magnet core, featuring ultra-strong magnetic pull force. Drill-free and easy to reposition, these removable magnet hooks firmly attach to any ferrous metal surface. Durable anti-rust metal structure suits home, garage, workshop, kitchen and outdoor scenarios, ideal for hanging tools, keys, utensils and small items to save space.
Premium Pot Magnets – High Pull Force Cup Magnets for Industrial & Commercial Use
Heavy-duty pot magnets (cup-shaped magnetic assemblies) with steel casing and neodymium/ferrite core. Features concentrated magnetic flux, ultra-strong pull force, and countersunk mounting hole. Perfect for industrial holding, door stops, fixtures, and DIY projects. RoHS compliant, custom sizes available.
3M Adhesive Backed Neodymium Magnets Multi-Type Self-Stick Strong NdFeB Mounting Magnets
Our adhesive backed neodymium magnets are high strength sintered NdFeB magnets pre-attached with different types of self-adhesive tapes. Mainly equipped with original strong 3M double sided tape, high resilience foam adhesive, high temperature resistant acrylic glue and general strong glue options.
Peel off the release paper and directly paste on smooth metal, plastic, wood, glass, wall and other flat surfaces, no drilling, no screws, no extra glue needed. Available in block, disc, ring, strip, countersunk hole multiple shapes, complete magnetic grades from N35 to N52. Widely used for daily storage, product assembly, craft making, office arrangement, electronic fixed positioning and light industrial fixed installation. Support custom adhesive type, glue thickness and size specification.
Epoxy Coated Neodymium Magnets | Waterproof Anti-Corrosion Epoxy NdFeB Magnets
Epoxy coated neodymium magnet is one of the most popular surface treated NdFeB permanent magnets. We adopt high-density black epoxy resin full spraying coating process on the surface of sintered neodymium magnet, completely wrap all magnet surfaces, edges and corners without dead angle.
Compared with zinc plating and nickel plating, epoxy coating has better waterproof performance, stronger anti-rust, anti-oxidation and acid-base corrosion resistance. It is low cost, practical and durable, not easy to peel off and fade.
Available in block, disc, ring, cylinder, countersunk hole and special shapes, complete magnet grades from N35 to N52. Widely used in electronic products, gift crafts, hardware accessories, furniture adsorption, outdoor equipment, bathroom supplies and daily fixed adsorption fields. Support OEM size, thickness, hole position and batch wholesale production.
Neodymium Arc Segment Motor Magnets | Trapezoidal NdFeB Magnetic Tiles For Motor Rotor Stator
Our neodymium arc segment magnets and trapezoidal magnetic tiles are professional shaped sintered NdFeB magnets specially developed for various permanent magnet motors.
Adopting high-grade neodymium iron boron raw material, finished into inner arc, outer arc and flat trapezoidal shapes through precise profiling and wire cutting.
Featured with super strong magnetism, stable magnetic field distribution and excellent high temperature resistance, these motor magnetic tiles effectively improve motor power, reduce operation noise and extend service life. Widely used in brushless DC motors, servo motors, new energy vehicle auxiliary motors, fan motors, generators and intelligent driving motors. We support sample customization, mold opening production and mass bulk supply.
Printable Rubber Magnets | Custom Printed Flexible Magnetic Sheet & Sticker
Our Printable Rubber Magnets are flexible soft magnetic sheets specially designed for pattern and logo printing. Made of ferrite rubber magnetic material, one side is magnetic receptive, the other side is smooth blank printable surface.
This flexible rubber magnet is bendable, foldable, easy to cut into any shape, compatible with UV printing, silk screen printing, offset printing and laminating. Perfect for custom printed fridge magnets, advertising promotional magnets, business logo magnetic stickers, vehicle magnetic signs and decorative magnetic crafts. Available in sheet, roll, standard size and custom die-cut shape, factory wholesale and OEM printed service supported.
Custom Size Anti Scratch Car LED Camera Mount Hold Magnet N52 D43/66/88 Rubber Coated Pot Magnet with M4 M6 M8 Thread Stud and Nut
Our Rubber Coated Magnets are high-performance neodymium magnetic core fully wrapped with durable soft rubber layer.
Different from ordinary exposed magnets, the integral rubber coating can perfectly prevent scratches, paint damage and surface abrasion on cars, refrigerators, stainless steel and painted metal.
With non-slip texture design, strong magnetic holding force, waterproof and anti-corrosion performance, these rubber covered magnets are widely used for vehicle mounting, household appliance fixing, industrial temporary positioning, workshop tool holding and outdoor equipment installation. Standard sizes in stock, OEM custom shape, color and size are supported.
Industrial Square Pot Magnets | Shielded Rectangular Neodymium Cup Magnets
Square and rectangular pot magnets are specially engineered for flat, narrow and linear installation positions where round magnets cannot fit.
Built with high grade neodymium core and fully enclosed rectangular steel housing, this structure focuses magnetic force only on the working surface, while shielding stray magnetism on the reverse side.
Available with countersunk hole, embedded mounting and fixed base styles. Ideal for side mounting, strip fixture, cabinet assembly and automation equipment. Vibration resistant, rust-proof plating and stable holding force, support standard stock and fully customized dimension.
Strong Neodymium Pot Magnets | Industrial Cup Magnets for Fixing & Positioning
Engineered for industrial fixed positioning and stable load-bearing, our neodymium pot magnets are professional enclosed magnetic assemblies. Different from ordinary open magnets, pot magnets adopt steel cup closed shielding structure, which centralizes all magnetic energy on the working surface and eliminates scattered back magnetism.
This design greatly improves overall pull force, avoids magnetic interference, and protects the inner magnet core from collision, fragmentation and wear. Available in flat, countersunk, internal thread and external thread styles, these pot magnets are widely adopted in mechanical fixture, equipment fixing, sign installation and automated production.
Wireless Charging Magnetic Ring | MagSafe Neodymium Magnet Array
Our Wireless Charging Magnetic Ring Array is a professional MagSafe compatible magnet assembly, including receiver magnet ring for phone/phone case and transmitter magnet ring for wireless charger, charging pad and power bank.
Made of high-precision segmented neodymium magnets with optimized pole arrangement, it realizes automatic centering and perfect coil alignment. Improve charging efficiency, reduce heat, prevent slipping, compatible with all Qi standard wireless charging devices. Slim, smooth, no signal interference, support standard stock and OEM custom size.
PVC & TPU Coated Neodymium Magnets | Waterproof, Scratch-Proof Magnetic Mounts
Our PVC & TPU Coated Neodymium Magnets combine high-performance neodymium magnetic cores with tough, flexible PVC (Polyvinyl Chloride) or TPU (Thermoplastic Polyurethane) coating. Fully encapsulated to protect against water, scratches, corrosion and impact, these magnets deliver exceptional holding power while keeping surfaces safe. Ideal for mounting LED lights, signs, tools, equipment and more—no drilling, no damage, no mess.
Magnetic Balls | Strong Neodymium Magnetic Spheres for Crafts, Decor & Industrial Use
Our Neodymium Magnetic Balls are solid round spherical magnets made of high-grade NdFeB raw material. Each magnetic ball is precisely polished into smooth round shape, with uniform magnetization and premium anti-corrosion plating. Available in full diameter sizes, they are widely used for DIY crafts, jewelry making, home decoration, magnetic toys, sensor equipment, magnetic assembly and industrial fixture applications. Smooth surface, super strong magnetism, no chipping, no sharp edges, ideal for retail, wholesale and custom projects.
Ring & Countersunk Neodymium Magnets | Strong Neodymium Pot Magnets
Our ring and countersunk neodymium magnets combine powerful rare-earth magnetic cores with precision machining. Ring magnets are hollow circular magnets for through-hole applications, while countersunk pot magnets have a pre-drilled countersunk hole for screw mounting. Both are ideal for industrial equipment, hardware assembly, signage, and mechanical applications.
Custom Removable Magnetic Flexible Soft Rubber Materials Plate Protect Photo Wall Mounting Adhesive Magnet Magnetic Sheet Iman
Our Magnetic Rubber Wall Hanging Kit is a complete reusable display solution, combining iron powder rubber sheets, wall protective leaves, and strong magnets. Perfect for hanging posters, art prints, photos, frames, and signs on any wall—no drilling, no nails, no glue, and no permanent damage.
Strongest N52 Neodymium Magnet Ball Permanent Industrial Use Welding Bending Mag Safe Wireless Charging Phone Case
This professional wireless charging dual magnetic ring kit comes with 2 specialized assemblies:
Receiving End Magnet Array: Designed to be installed inside your phone or phone case, to turn any ordinary device/case into a magnetically compatible MagSafe receiver.
Transmitting End Magnet Ring: Built to be embedded into wireless chargers, charging pads, or portable power banks, to create a magnetic transmitting base.
Made from high-grade precision neodymium magnet segments with optimized magnetic pole arrangement, these rings perfectly align your phone and charger every single time. Eliminate misalignment issues, reduce charging heat loss, maximize wireless charging efficiency and protect your device from dropping during charging.
Precision-engineered neodymium Halbach arrays for motors, sensors, magnetic levitation, and advanced industrial applications
A Halbach array is a special magnetization arrangement that concentrates magnetic flux on one side while nearly canceling it on the other. Invented by physicist Klaus Halbach, this design uses multiple neodymium magnet segments with magnetization directions rotated incrementally (45° or 90°), creating a near-ideal sinusoidal field.
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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