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HuanTongcx is a professional magnetic materials manufacturer over 18 years.

Products
Rubber Coated Neodymium Magnets | Pot Magnets With Internal External Thread Up To 60kg Pull Force
Our rubber coated neodymium pot magnets combine powerful neodymium magnetic core with durable rubber outer layer. The rubber coating protects metal surfaces from scratches while reducing sliding and noise. We offer flat convex external thread and internal thread versions, with pull force ranging from 3.5kg up to 60kg. OEM and ODM services are available with existing ready molds to shorten your lead time.
Magnetic Balance Pen Levitating Desktop Decor Metal Pen for Office Desk Gift
Our magnetic balance pen creates a stunning anti‑gravity visual effect by magnetic repulsion. Made of premium metal material, this floating pen combines practical writing function and artistic desktop decoration. It comes with an exquisite gift box, perfect for office display and gifting purposes.
Rectangle Pot Magnets Single Double Countersunk Hole Neodymium Holding Magnets for Industrial Mounting
Rectangle pot magnets integrate high performance neodymium magnet with steel pot housing. Single hole and double countersunk hole styles are offered for easy screw mounting. The steel shell concentrates magnetic force for stronger holding capacity while protecting inner magnet from chipping and impact. Various stock sizes deliver pull force from 4kg up to 40kg, suitable for machinery fixing, tool holding, fixture assembly and many industrial mounting projects. Custom dimension and coating service are supported for special project demands.
Rubber Coated Magnet with Saddle Bracket Neodymium Strong Mounting Base Internal Thread M4 M6 for Car Roof LED Work Light Camera
This rubber coated pot magnet comes matched with durable plastic clip, built on high‑performance N35 neodymium magnet core. The full rubber outer coating prevents scratching metal surfaces while delivering reliable friction‑enhanced adsorption. Built‑in inner thread hole allows quick assembly with the plastic clip, offering flexible mounting solutions for industrial fixture, equipment positioning, signage installation and DIY applications. It protects contact surfaces from abrasion and avoids metal‑on‑metal collision marks during heavy‑duty adsorption work.
Magnetic Push Pins, Strong Neodymium Thumb Tacks for Whiteboard, Office & Classroom Display
Magnetic push pins are practical magnetic fasteners available in plastic‑shell and metal‑shell versions. Powered by high‑performance neodymium magnets, they hold papers, posters and cards firmly on metal surfaces without drilling. With multi‑color options, they fit offices, classrooms, households and exhibition spaces, avoiding scratches and surface damage caused by traditional thumbtacks.
  The outer shells are well‑processed. Plastic‑type models feature bright varied colors, while metal‑type ones deliver premium wear‑resistant texture. Easy to install, remove and reposition, they serve as ideal accessories for notices, drawings and document display.
Strong Magnetic Hook Neodymium Rare Earth Magnet with Hook 360° Swivel Round Base Heavy Duty for Hanging Kitchen Fridge Garage Wall
Our neodymium magnetic hooks integrate high‑performance neodymium magnet core and reinforced metal hook structure. Free of drilling, glue or surface damage, they can be relocated freely on any ferrous metal surface. Multiple surface finishes are available to match household, commercial and industrial scenarios, we also support bulk wholesale and personalized customization for global buyers。
China Manufacturer Black Epoxy Coated Neodymium Magnets Waterproof Corrosion Resistant N35-N52 Disc Block Ring Custom Size Rare Earth Permanent
Epoxy black neodymium magnets are high‑performance rare‑earth permanent magnets finished with full matte black epoxy protective coating. Compared with conventional nickel‑plated neodymium magnets, the epoxy layer delivers outstanding waterproof, moisture‑proof and anti‑corrosion capability. It can withstand humid, salty‑spray and outdoor harsh working environments. Available in diverse shapes, these magnets retain powerful magnetic output, widely adopted for marine equipment, outdoor machinery, DIY craft, fixture assembly and many special‑condition application scenarios.
Magnet Ring for  Case Wireless Charging Compatible N52 Neodymium Strong Magnetic Ring
Magnetic alignment ring and self-adhesive iron plate kit is a universal magnetic conversion accessory set made for smartphones without built-in magnetic charging support. The hollow alignment ring optimizes magnetic field conduction to deliver steady wireless charging performance, while sticky iron metal plates create strong attraction for all magnetic car phone holders, wall brackets and desktop chargers. We supply diverse shapes including round, square, rounded rectangle and hollow ring styles with residue-free removable adhesive backing. The ultra-thin lightweight structure adds no extra bulk to phone cases, ideal for mobile wireless charging, vehicle navigation brackets and desktop magnetic phone holders.
Magnetic Levitating Pen Anti-Gravity Floating Ballpoint Pen with Base 360° Rotating Desk Decor Cool Office Gadget Executive Gift
Magnetic levitation pen is a futuristic anti-gravity floating ballpoint pen that combines physical magnetic balance technology with daily writing function. Powered entirely by pure magnetic force without batteries or electricity, the pen automatically floats and stands steadily at a balanced angle, creating a stunning zero-gravity visual effect. It breaks traditional desk pen design, serving as both a practical writing tool and a high-end tech desktop ornament, ideal for office decoration, business gifts and creative collection displays.
Factory Price Gold Coated Neodymium Round Disc Magnets N35-N52 Grade Rare Earth Permanent Strong for Bracelet Necklace Clasp Craft
Gold plated neodymium magnets are premium high-performance NdFeB permanent magnets featured with luxurious golden electroplated coating. Combining ultra-strong rare earth magnetic force with excellent anti-oxidation and anti-corrosion performance, these golden magnets deliver stable magnetic output and elegant metallic appearance. Available in various custom shapes and sizes, they are widely used for craft decoration, jewelry accessories, precision electronics, industrial positioning and high-end equipment assembly.
Strong N35 N42 N52 Neodymium Round Disc Magnets with Self-Adhesive Backing Peel Stick Strong Magnetic Sticker for Home Office DIY
Self adhesive neodymium magnets are high-performance rare earth NdFeB magnets pre-attached with high-viscosity double-sided adhesive tape on one side. Combining ultra-strong magnetic force and convenient stick-on installation, these magnets eliminate drilling, screws or glue for light to medium load fixing. The magnet body comes with anti-rust nickel coating, supporting disc, block, ring and pot magnet shapes. The backing adhesive fits smooth flat surfaces including metal, plastic, wood, glass and painted walls, widely used for DIY handmade crafts, furniture positioning, equipment fixtures, warehouse storage and indoor light mounting.
Rubber Magnet Poster Frame Set, Magnetic Wall Display Kit for Pictures & Posters
Rubber magnet poster frame set is a magnetic wall display system designed for hanging posters, pictures, artwork, signs and photo frames. It usually consists of a wall protective leaf, iron sheet, rubber magnet and poster frame, allowing users to install and replace displayed content without drilling, nails or extra tools. The magnetic adsorption structure ensures stable vertical display, while the protective leaf helps reduce wall damage and residue. It is widely used for home decoration, office display, retail signage, exhibition boards and indoor advertising.
Waterproof PVC Magnetic Snap Button Round Invisible Hidden Sew-in Closure Fastener for Down Jacket Winter Coat Bag Handbag
PVC/TPU coated magnets are flexible rubber magnets covered with PVC or TPU protective outer layer. The base magnetic substrate keeps excellent flexible adsorption capacity, while outer polymer coating delivers waterproof, anti-scratch, anti-ultraviolet and wear-resistant protection. Compared with uncoated bare rubber magnets, PVC coated versions suit humid outdoor environments, TPU coated ones have stronger tensile, abrasion and low temperature resistance. These coated magnets are widely applied for poster fixation, door sealing, vehicle accessories, craft production and industrial light positioning, supporting custom cutting into diverse shapes and sizes.
Protective Leaf Magnetic Wall Mounting Kit Rubber Adhesive Sticker Photo Frame Sublimation Magnet Sheet for Metal Poster Hanging
Rubber magnet poster frame set is a convenient magnetic wall display kit designed for hanging pictures, posters, artwork, advertisements and signage. It combines flexible rubber magnetic sheets with rigid frame or panel components, allowing posters and pictures to be quickly fixed and replaced without drilling, nails or extra tools. The magnetic mounting structure keeps the display flat and stable, while protecting walls and surfaces from damage. Suitable for home decoration, office display, exhibition boards, retail signs and indoor poster promotion.
OEM D31 D36 D43 D66mm Rubber Coated Magnet with 1/4-20 Male Stud Waterproof Anti-Scratch Magnetic Mount for Car Camera Boat Fishing Camera
Rubber coated pot magnets are upgraded protective-type neodymium cup magnets with full rubber encapsulation outer layer. Different from ordinary bare metal pot magnets that easily scratch, dent or corrode contact surfaces, these rubber covered magnets adopt soft rubber integrated wrapping technology, which is non-slip, waterproof, shockproof and scratch-free. The internal high-strength NdFeB core maintains powerful magnetic suction, while the outer rubber layer protects equipment, paint and delicate materials from damage. Suitable for repeated adsorption on uneven, painted and fragile surfaces. Widely used for furniture positioning, automotive fixing, outdoor signage installation and daily commercial mounting, supporting standard stock and full OEM customization.
D16 D20 D25 D32 D36 D42 D48 D60 Sintered NdFeB Round Pot Magnet Countersunk Hole Permanent Magnetic Mount for Welding Holding
Counterbore pot magnets are industrial-grade neodymium cup magnets designed with pre-drilled sink holes for direct flat-head screw installation. Different from ordinary magnets that rely on glue or external clamps, these sink hole pot magnets realize fully fixed and flush mounting, solving looseness and displacement problems during long-term mechanical vibration. Adopting sealed steel cup structure, they concentrate magnetic force and reduce magnetic leakage greatly. With full anti-corrosion coating and multiple magnet grades available, they are widely used for industrial fixture positioning, automation mounting and workshop tool fixing, supporting standard stock and full OEM customization.
Neodymium Motor Magnets, High Temperature NdFeB Permanent Magnets for Electric Motor, Servo Motor & Generator Manufacturing
Premium motor-grade neodymium magnets with high temperature resistance and strong anti-demagnetization performance. High energy density NdFeB permanent magnets customized for electric motors, servo motors, EV traction motors and generators. Multiple high-temp grades, custom arc, block, ring and special shapes available. Strict tolerance & stable magnetic consistency for industrial motor mass production.
Ring Neodymium Magnets, High Strength Hollow Round NdFeB Ring Magnets for Motors, Sensors & Industrial Assembly
Ring neodymium magnets are hollow round sintered NdFeB rare earth magnets with a concentric inner hole structure. Different from disc and block magnets, the hollow ring design allows shaft penetration, nested installation and symmetrical magnetic distribution, making them core components for rotating and precision electronic equipment. Our ring magnets adopt high-purity NdFeB raw materials, covering conventional N35-N52 and high-temperature resistant SH/EH grades. The surface supports nickel, zinc and epoxy anti-corrosion coating, with fine chamfered edges to avoid chipping and scratching. A full range of standard ring specifications are in stock, and customized size, tolerance and special magnetization modes are available for industrial OEM projects.
Block Neodymium Magnets, High Strength Rectangle NdFeB Rare Earth Block Magnets for Industrial Fixing & DIY Projects
Shop premium sintered block neodymium magnets in full grades N35-N52 and high-temperature SH/EH series. Our nickel plated rectangular NdFeB magnets feature precise cutting, chamfered edges and stable strong magnetism. Custom size, coating and magnetization supported. Ideal for industrial fixture fixing, electronic assembly, motor parts, craft DIY and commercial mounting. Bulk wholesale & small sample orders available.
 Block neodymium magnets are standard rectangular sintered NdFeB rare earth magnets, widely recognized as the most versatile square and rectangular magnetic blocks for industrial and commercial use. Manufactured with high-purity neodymium raw materials, these rectangle magnets deliver ultra-strong magnetic strength and stable magnetic consistency. Available in full magnetic grades and multiple surface coatings including nickel, zinc and epoxy. All edges are finely chamfered to prevent chipping and scratching. Suitable for embedded installation, surface bonding
Block Countersink Pot Magnets, Rectangular Neodymium Cup Magnets with Double Sink Holes for Screw Mounting
Block countersink pot magnets are rectangular neodymium cup magnets fitted with two precision countersink holes for flat head screw installation. High-performance sintered NdFeB magnet is fully sealed inside thick steel housing to gather magnetic flux and boost holding force. The whole body adopts triple nickel plating to resist rust, oxidation and abrasion. A full range of standard specifications are ready for shipment, with multiple magnet grades N35-N52/SH/EH optional. This rectangular pot magnet enables flush screw mounting without extra brackets, widely used for CNC fixture positioning, workshop tool holders, automation equipment, mechanical testing and advertising frame fixing. Custom block size, sink hole diameter and surface coating are available for bulk orders.
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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