Wholesale Strongest Magnetic Material Exporters & Products

High-Grade Neodymium Permanent Systems & Advanced Precast Concrete Formwork Technology Tailored for Global Procurement Excellence.

Premium Magnetic Materials & Assemblies

Engineered to maximize clamping force and operational lifespan. Direct factory supply with robust anti-corrosion coatings.

Custom Magnetic Box Formwork Magnet

Custom Magnetic Box Precast Concrete Formwork Magnet Shuttering Magnet

Industrial strength shuttering box designed for steel and plywood formworks, providing stable holding force without structural damage.

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Neodymium Magnet 60x10x5mm

Custom 60x10x5mm Long Bar Ndfeb Block Neodymium Magnet

Precision-ground block magnets of optimized magnetic grading. Provides exceptional magnetic flux density for linear motion and high-torque machinery.

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Lifting Socket Inserts Magnets

Custom Precast Lifting Socket Or Lifting Insert Magnets

Engineered for secure positioning of lifting systems inside precast structural panels. High temperature resistance grades available.

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PVC Concrete Chamfer

Custom PVC Concrete Chamfer Manufacturers, Factory

Durable and lightweight PVC chamfers designed to easily shape beveled edges on precast concrete columns and beams.

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Neodymium Threaded Pot Magnets

Wholesale Strong Neodymium Threaded Cup Pot Magnets For Fastening

Constructed with a heavy-duty steel shell and NdFeB core. High shear resistance ideal for fixture mounting on heavy casting tables.

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Ceramic Ferrite Magnets

China Anisotropic and Isotropic Ceramic Ferrite Magnets

Cost-efficient magnetic materials for general isolation, sensor holding, and basic structural applications. High demagnetization resistance.

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Steel Threaded Lifting Socket

High-Quality Steel Threaded Lifting Socket for Magnetic Recess Former

Precision-threaded lifting inserts ensuring mechanical alignment and strong anchoring in structural concrete.

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Custom lifting socket for precast

Custom lifting socket for precast Manufacturer, Exporters

Heavy load bearing casting insert components manufactured in certified facilities according to European lifting safety standards.

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Sintered Rare Earth Permanent Magnets: Strategic Core of Modern Heavy Industry

A comprehensive analysis of high-performance magnetic materials, supply chain realities, and structural engineering implementations.

1. The Science of the "Strongest" Magnetic Materials

When discussing the "strongest magnetic materials", engineering standards point directly to Sintered Neodymium-Iron-Boron (NdFeB). Standardized as rare-earth magnets, NdFeB provides the highest maximum energy product, denoted as $(BH)_{max}$, reaching up to 52 MGOe in commercial production. This extraordinary energy density allows engineers to achieve immense clamping force in highly compacted envelopes.

In precast concrete production, this is translated to the shuttering magnet. A compact shuttering block utilizing grade N50 or N52 magnets can exert a vertical pulling force of over 2100 kg (4600 lbs). The structural integration involves positioning these rare-earth blocks inside a carbon or stainless steel casing that acts as a magnetic circuit, concentrating the magnetic flux lines directly onto the steel casting bed, optimizing horizontal shear resistance during high-frequency vibration cycles.

2. Overcoming Thermal & Mechanical Demagnetization

One critical challenge in heavy industrial applications of Neodymium magnets is temperature sensitivity. Standard NdFeB magnets operate safely up to 80°C. Above this Curie threshold, irreversible magnetic losses occur. For industrial precast curing chambers or high-temperature concrete casting, Chinese advanced manufacturing lines utilize custom-alloyed magnetic grades (such as M, H, SH, UH, EH, or AH series).

By adding Dysprosium (Dy) and Terbium (Tb), exporters increase the Intrinsic Coercivity ($H_{cj}$) of the magnetic core. An SH-grade neodymium core, for instance, maintains magnetic integrity at temperatures up to 150°C, ensuring that precast concrete elements cured under accelerated steam processes maintain complete structural formwork positioning without premature detachment.

Why the Global Precast Concrete Industry relies on Magnetic Shuttering

Historically, precast manufacturers relied on welding or mechanical bolting to secure steel formwork to casting tables. This method presented immense limitations: rapid destruction of the expensive steel tables, intensive labor costs for grinding welds, and structural inaccuracy. Magnetic shuttering systems eliminate these bottlenecks. The transition to magnetic fixation offers zero-damage bed maintenance, modular scaling of side molds, and seamless integration into automated robotic shuttering lines.

52 MGOe
Max Energy Product (NdFeB)
5500+ Lbs
Peak Holding Force Options
150°C
Max Temp SH-UH Core Options
100%
Reusable Fixing Solutions

Unrivaled Advantages of Chinese Magnetic Core Exporting

Understanding the technological, material, and geographic factors that make Chinese factories the epicentre of permanent magnet assembly.

Supply Chain Security

China processes over 85% of the world’s rare earth elements. As a direct exporter, Qianci Magnet (QCM) guarantees constant access to high-purity Neodymium, Dysprosium, and Iron alloys, neutralizing geopolitical raw material price spikes and offering predictable wholesale pricing contracts.

Precision Engineering

Advanced sintering plants in China utilize vacuum induction furnaces and automated hydrogen decrepitation systems. This ensures isotropic consistency across batch manufacturing, eliminating air voids and impurity inclusions inside the NdFeB block structure.

Complex Metallurgical Coating

To resist alkaline concrete mixtures and high moisture, Chinese exporting factories have pioneered multi-stage surface treatments, including Ni-Cu-Ni, black epoxy, zinc plating, and specialized Everlube spray coats, achieving over 72 hours in salt spray testing.

CORE PRODUCTS SHOWCASE

Explore our heavy-duty precast shuttering magnets and modular positioning devices engineered for high-performance concrete molding.

2200 lbs precast concrete stepping shuttering magnet

2200 lbs precast concrete stepping shuttering magnet

Ideal for moderate scale precast panels, ensuring firm adhesion on standard steel beds. High durability carbon steel housing.

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2800 lbs /1300 kg pulling force precast shuttering magnet

2800 lbs / 1300 kg pulling force precast shuttering magnet

Optimized magnetic core configuration with a simple on/off release switch mechanism for quick operational cycles.

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4000 lbs Carbon Steel precast concrete shuttering magnet

4000 lbs Carbon Steel precast concrete shuttering magnet

Heavy-duty construction magnet built to withstand mechanical stress. Suitable for tall wall panels and thick precast beams.

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2000 lbs Carbon Steel Precast Concrete Shuttering Magnet

2000 lbs Carbon Steel Precast Concrete Shuttering Magnet

Standardized formwork positioning magnet featuring premium internal NdFeB blocks with robust corrosion protection.

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600kg/1320 lbs magnetic force shuttering magnet

600kg / 1320 lbs magnetic force shuttering magnet

Lightweight formwork magnet designed for automatic placement by CNC robotic handlers or manually via handling bars.

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5300 lbs strong magnetic force precast concrete magnet

5300 lbs strong magnetic force precast concrete magnet

Highly demanded in European construction markets. Strong industrial hold prevents shift under immense hydraulic concrete pressure.

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5500 lbs Carbon Steel Shuttering

5500 lbs Carbon Steel Shuttering of Precast Concrete Elements

Maximum power shuttering box developed for large-scale civil engineering elements, road dividers, and sound barriers.

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4600 lbs Carbon Steel Precast Concrete Shuttering Magnet Box

4600 lbs Carbon Steel Precast Concrete Shuttering Magnet Box

Our flagship 2100kg magnet system. Provides optimum power-to-weight ratio for standard civil construction requirements.

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About QCM Magnet

QCM Magnet specializes in offering complete magnetic fixing solutions for the production of precast concrete components. Our primary products include Shuttering Magnets and their corresponding accessories, Formwork Magnets, Magnetic Chamfering Strips, and various pre-embedded insert magnets.

Utilizing magnetic fixing in precast concrete component production prevents damage to the platform, enhances work efficiency, reduces labor costs, and promotes economic efficiency as the magnetic fixing devices are highly reusable.

Using our expertise in magnetic components and our extensive experience in supporting the production of precast components, we have developed numerous new and practical magnetic fixing products. Our products come with complete specifications, excellent quality, ease of operation, and long service life. Additionally, we can promptly customize a variety of magnetic fixing parts to meet the diverse needs of our customers.

We are willing to share our expertise with you to help you solve your specific application needs for magnetic components.

Who We Are

Who We Are

Qianci Magnet is a strong magnetic component factory, specializing in the production and research and development of formwork magnets, magnetic formwork, insert magnets, magnetic concrete chamferers and other products.

Our Business

Our Business

Our business mainly involves precast concrete magnetic system solutions, helping you to better carry out concrete element production.

Our Strategy

Our Strategy

Become a global leading manufacturer and excellent service provider of magnetic solutions for the precast concrete industry.

NEW DEVELOPMENTS & PATENTED DESIGNS

Engineered to optimize structural safety and reduce mechanical fatigue during fast construction cycles.

Magnetic Box Precast Concrete Formwork Magnet Shuttering Magnet

Magnetic Box Precast Concrete Formwork Magnet Shuttering Magnet

The shuttering magnet for concrete formwork is a proven safe and efficient tool in precast concrete production. It features a 1600kg series with a large magnetic force, reusability, and durability.

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4600 lbs Carbon Steel Precast Concrete Shuttering Magnet

4600 lbs Carbon Steel Precast Concrete Shuttering Magnet

The advantages of 4600 lbs(2100kg) pull force Precast Concrete Shuttering Magnet for Concrete Formwork in product manufacturing are obvious, it can increase productivity and quality improvement.

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5300 lbs strong magnetic force precast concrete magnet

5300 lbs strong magnetic force precast concrete magnet

This precast magnets with 5300 lbs(2400kg) magnetic force is a popular product in Europe now. Its powerful magnetism can handle a variety of usage scenarios, such as house construction walls.

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2800 lbs /1300 kg pulling force precast shuttering magnet

2800 lbs / 1300 kg pulling force precast shuttering magnet

The 1300kg vertical tensile force neodymium precast concrete magnet is commonly used to hold the side moldings of precast concrete elements (e.g. flat floor slabs, walls) in place.

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Global Enterprise Sourcing, Engineering Integration & Trends

Detailed analysis of localized application challenges, procurement criteria, and technical alignment.

Localized Engineering Application Scenarios

Precast Structural Panels (Europe & North America): In high-labor-cost markets, automated tilting tables require shuttering magnets that integrate with robotic handlers. Mechanical dimensions must have precise tolerances (within ±0.2mm) to ensure error-free grabbing sequences.

Infrastructure Construction (Middle East & Asia): Massive civil projects like retaining walls, bridge spans, and drainage ducts are cast in hot, humid climates. Shuttering magnets used in these regions must utilize high-temperature NdFeB cores (UH or EH grades) to prevent thermal degradation and zinc or chrome cladding to withstand salty coastal air.

Macro Industry Solutions for Procurement Officers

Global sourcing managers must balance upfront costs against total cost of ownership (TCO). While standard ceramic/ferrite magnets are cheap, their weak magnetic force demands bulkier structures, slowing down plant cycle times. High-performance sintered NdFeB shuttering systems pay for themselves within 6-12 months by increasing setup speed, eliminating drilling damage on templates, and allowing the reuse of magnetic fixtures over thousands of cycles.

When choosing a supplier, verify their QC certifications (ISO9001 and IATF16949). Check if the supplier provides pull-force curve charts from calibrated test beds to ensure safety margins are aligned with target lifting capacities.

Global Sourcing & Quality Control Checkpoints

  • Coercive Force Test: Demagnetization resistance verify under high mechanical shock.
  • Dimensional Tolerances: Critical for automated formwork installation robots.
  • Salt Spray Chamber Testing: Minimum 48 hours for standard zinc plating, up to 96 hours for high-end epoxy coating.
  • Clamping Safety Coefficients: Standardized ratio should be 2:1 of horizontal shear force against typical concrete vibration forces.

OUR CERTIFICATE

Strict production control according to international safety and raw material quality benchmarks.

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NEWS & INDUSTRY UPDATES

Keep up with the latest technological developments and industry events from QCM.

Formwork vs Shuttering Magnet
May 15, 2025

What is the difference between Formwork Magnets and Shuttering Magnets?

Precast concrete systems: Shuttering molds shape edges/openings on flat surfaces using magnetic fixation, while mold profiles lock down bulkheads...

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QCM UK Construction Week
April 30, 2025

QCM Set to Redefine Construction Efficiency at UK Construction Week 2025

QCM, a global leader in magnetic components, will participate in UK Construction Week 2025. From May 7th to 9th, showcasing state-of-the-art magnetic fixings...

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Technical FAQs: Shuttering Systems & Permanent Magnets

Expert engineering answers to critical operational, structural, and mechanical questions.

Q1: How do you determine the correct clamping force required for precast formwork?
The clamping force depends on panel height, concrete density, and casting vibration parameters. For standard wall panels under 1.2 meters high using wood or light alloy frames, magnets with a pulling force of 900kg to 1300kg are recommended. For columns, structural beams, or heavy steel profiles exceeding 1.5 meters, assemblies of 2100kg to 2500kg are required to resist horizontal shear caused by concrete pouring dynamics.
Q2: Why does an NdFeB magnet lose its strength, and how can it be prevented?
Loss of magnetic strength occurs due to thermal degradation (exceeding Curie temperature) or severe physical trauma. If standard NdFeB magnets are heated above 80°C, they undergo demagnetization. To prevent this, specifiers should purchase SH (up to 150°C) or UH (up to 180°C) grade magnets. Additionally, the internal NdFeB cores must be protected inside an outer steel cover to distribute mechanical impact.
Q3: What are the maintenance protocols for magnetic shuttering systems?
To maintain holding capacity, the contact surface between the magnet housing and the steel casting bed must be kept clean. Concrete paste, rust, and dust create air gaps that reduce magnetic coupling. We recommend regular cleanings using scrapers and magnetic surface sweepers, followed by applications of anti-rust coatings. Avoid using heavy sledgehammers directly on the magnet casing; use standard release levers instead.
Q4: Can these magnetic systems be integrated into automated robotic production lines?
Yes. Our custom-designed shuttering boxes can be manufactured with automated adapter plates. This design allows standard industrial robots in highly modern precast concrete facilities to pick, place, activate, and release magnets without manual human intervention.

Additional Industrial Fixing & Structural Products

Complete structural accessories engineered for secure mold alignment and anchoring systems.

OEM Precast Concrete Pvc Pipes Magnetic Plates

OEM Precast Concrete Pvc Pipes Inserted Into Fixed Magnetic Plates

Designed to anchor PVC conduit structures inside concrete forms. Eliminates the need to drill holes into the production table.

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China NdFeB Block Magnet

China Permanent Strong Neodymium-Iron-Boron (Nd-Fe-B) Block Magnet

High coercivity raw blocks, customizable to unique spatial orientations. Optimized for wind turbine motors and separation lines.

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Precast Concrete Lifting Clutches

Buy Precast Concrete Lifting Clutches Factories, Company

Forged steel lifting ring clutches designed to hook onto embedded anchor pins. Rigorously load-tested for maximum workplace safety.

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Custom lifting socket

Custom lifting socket for precast lifting sockets concrete Manufacturers

Industrial sockets produced with reinforced threading to guarantee steady anchoring under maximum lifting weight load.

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Magnetic Triangle Steel Chamfer Strip

Wholesale QCM Magnetic Triangle Steel Chamfer Strip For Precast

Provides quick generation of clean bevel borders on structural walls. Avoids oil seepage issues present in traditional systems.

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Steel Precast Concrete Shuttering Magnet

China 1000 lbs steel Precast Concrete Shuttering Magnet Manufacturers

Medium-strength steel shuttering box suitable for narrow edge borders, staircases, and window frame formworks.

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Plywood Formwork Concrete Magnet

OEM 2100KG/2400KG Pulling Force Plywood Formwork Concrete Magnet

High-capacity magnets designed with side adapters to secure modular wooden templates on heavy structural steel bases.

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Triangular Magnetic Chamfer

China Triangular Magnetic Chamfer For Precast Concrete Exporters

Magnetic steel chamfers that ensure perfect 45-degree angle edges on modern precast columns, beams, and steps.

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