Engineered for heavy industrial applications, precast concrete structures, and high-precision mechanical assemblies.
Designed for securing PVC pipes firmly to steel platforms during concrete casting, minimizing shifting and ensuring perfect positioning.
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High-grade steel chamfer strips embedded with powerful neodymium magnets for smooth, clean beveled edges on precast concrete components.
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Integrated magnetic formwork systems offering unmatched clamping forces to hold structural side molds securely in place.
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Sintered NdFeB N45 bar block (60x10x5 mm) with optimal magnetic flux density and high coercivity for precision machinery.
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Tailor-made shuttering magnet assemblies engineered to resist shear forces and environmental degradation on modern casting tables.
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Durable, heavy-duty magnetic steel chamfers optimized for repeatable, precise edge shaping under tough construction environments.
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Equipped with a robust stainless steel hook, providing extreme vertical pulling force for recovery and salvage tasks.
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Precision-manufactured magnetic discs used to hold threaded lifting sockets and anchor bushings in steel concrete forms.
View SpecificationsAn Industry White Paper on Sintered NdFeB Engineering, Market Applications, and Future Technological Milestones.
The global demand for high-performance permanent magnets has surged, driven by advancements in automation, clean energy, and modern precast building technologies. At the heart of this revolution is Sintered Neodymium-Iron-Boron (NdFeB), the most powerful commercially available magnetic material. Whether applied as high-precision OEM Neo Cubes for complex physical modeling and sensor assemblies, or scaled up to massive steel-encased shuttering magnets generating over 2500 kg of holding force, NdFeB is the key enabler of modern spatial fixing technology.
"The intrinsic magnetic energy product (BH)max of neodymium magnets allows for a tenfold reduction in device footprints compared to traditional ferrite magnets, providing substantial structural and spatial optimization across both microscopic electronic scales and macroscopic industrial systems."
The global neodymium magnet supply chain relies on advanced chemical processing and metallurgic extraction of rare earth elements, primarily Neodymium (Nd), Praseodymium (Pr), and Dysprosium (Dy) or Terbium (Tb) for temperature stabilization. Neo Cubes (magnetic spheres or cubes ranging from 3mm to 10mm) have transitioned from consumer novelty products to critical engineering components. Today, they are utilized in robotics prototypes, magnetic logic arrays, and acoustic transducers.
On the heavy-duty industrial front, the transition to modular construction and precast concrete has elevated magnetic systems from accessories to mission-critical infrastructure. Precast concrete casting beds require fast, reusable, and non-destructive locking mechanisms. Traditional welding methods damage expensive steel forms, whereas NdFeB-based magnetic shuttering systems allow for rapid, damage-free alignment, driving down operational costs by up to 40% for structural concrete contractors worldwide.
As a leading OEM supplier, our production pipeline integrates advanced metallurgy with precise mechanical finishing. Raw iron, boron, and neodymium are vacuum-induction melted and strip-cast. The resulting alloys are pulverized via jet-milling to form sub-micron particles, which are then aligned in a strong magnetic field before being compacted and sintered.
For custom Neo Cubes and precision blocks, post-sintering wire cutting and grinding are critical. Because NdFeB is highly susceptible to atmospheric oxidation and corrosion, electroplating is mandatory. Our automated surface-treatment lines apply triple-layer Nickel-Copper-Nickel (Ni-Cu-Ni), Epoxy, or heavy-duty polyurethane coatings. This ensures that our industrial magnets can withstand pH-harsh environments and saline exposure, maintaining long-term magnetic structural integrity.
Standardized multi-layer coatings (NiCuNi + Black Epoxy) prevent oxidation in humid casting yards and high-moisture production floors.
Optimized magnetic poles yield linear, predictable holding profiles, allowing precise automation alignment in industrial machinery.
Engineered structural housings protect internal sintered NdFeB blocks from direct impact, guaranteeing over 10,000 cycles of use.
Adapting magnetic technologies to demanding local and international operating environments.
In highly automated precast concrete plants using carousel layouts, manual mechanical bolting is slow and inefficient. Our magnetic boxes are engineered to integrate with robotic shuttering handlers. These robotic arms pick, place, and magnetically activate the shuttering boxes (ranging from 900kg to 2100kg holding force) on CNC-controlled steel casting tables. Our design incorporates robust, easily-engageable steel buttons that interface with pneumatic and mechanical actuators, supporting fully hands-free manufacturing cycles.
For electronic applications and mechanical actuators, OEM Neo Cubes provide the high surface fields required in micro-switches, magnetic dampers, and linear motion guides. Operating within tight parameters, these custom cubes must match strict dimensional tolerances (+/-0.02mm) and precise magnetization axes. We supply graded, passivated NdFeB alloys that withstand the reflow soldering temperatures commonly found in automated SMT lines without suffering permanent flux loss.
Years of R&D
Max Clamping Force
Precision Tolerance (mm)
Cycles Lifetime
The progression of rare earth magnetic performance over the next decade.
Development of Grain Boundary Diffusion (GBD) to minimize Dysprosium consumption while maintaining high coercivity at elevated temperatures, keeping raw material costs stable.
Introduction of hybrid organo-metallic coatings to provide lifetime protection against acidic environments and chemical exposure, eliminating the risk of micro-fracturing.
Integration of IoT-enabled tension and temperature sensors inside industrial magnetic casings to monitor real-time holding force during concrete curing cycles.
Qianci Magnet (QCM Magnet) is a state-of-the-art magnetic assembly factory specializing in the production and research of rare-earth permanent magnets. We design and manufacture high-performance formwork magnets, magnetic concrete chamfers, insert magnets, pot magnets, and custom NdFeB blocks.
By leveraging advanced metallurgical techniques and precision engineering, our magnetic fixing solutions prevent damage to expensive steel casting platforms, reduce labor costs, and streamline precast manufacturing workflows. Over the years, we have expanded our capabilities to supply high-spec OEM Neo Cubes and micro-magnetic parts to engineering and technology sectors globally.
Our facilities are fully certified, ensuring that every shipped batch conforms to strict mechanical and magnetic specifications. We welcome customization requests and provide full engineering support to help you develop the optimal solution for your specific application.
Our products undergo rigorous testing to meet international quality, safety, and environmental standards.
Stay updated with the latest advancements in magnetic fixing solutions and concrete casting methodologies.
Explore how precast concrete systems utilize shuttering molds to shape edges/openings on flat surfaces using magnetic fixation, while mold inserts secure functional accessories.
QCM, a global leader in magnetic components, will showcase its high-performance magnetic fixing solutions at UK Construction Week, displaying state-of-the-art concrete magnets.
Qianci Magnet is a professional magnetic assembly manufacturer. We focus on the research, development, and high-precision production of formwork magnets, magnetic chamfers, and customized neodymium systems.
Our core business covers high-efficiency precast concrete magnetic fixing systems, engineering custom OEM Neo Cubes, and supplying specialty industrial magnets to manufacturers globally.
We aim to be a leading global supplier of magnetic solutions. We combine advanced metallurgy, automated coating technologies, and customer-focused engineering support.
Expert technical answers to common queries regarding OEM Neo Cubes and industrial magnetic assemblies.
The operational lifespan of a shuttering magnet depends primarily on surface protection and impact resistance. Because the internal neodymium blocks are sintered and naturally brittle, direct structural shock can cause fracturing. QCM magnets feature tough carbon-steel or stainless-steel housings that absorb impact, coupled with multi-layer surface coatings (Ni-Cu-Ni or Epoxy) to prevent corrosion from humidity and concrete paste.
Yes. Standard NdFeB magnets operate up to 80°C. For applications requiring higher thermal resistance, we specify high-coercivity grades (such as M, H, SH, UH, EH, or AH series). Our AH-grade alloys can withstand working temperatures up to 220°C with minimal, reversible loss of flux density.
Every magnetic assembly undergoes rigorous pull-off tests on a calibrated hydraulic testing bed. The vertical holding force rating (e.g., 900kg, 1300kg, or 2100kg) is measured against a clean, flat steel plate. Real-world performance may vary based on the thickness, roughness, and cleanliness of the receiving steel bed.
For high-moisture environments, a triple plating of Nickel-Copper-Nickel (Ni-Cu-Ni) followed by an outer layer of Black Epoxy provides optimal protection. For extreme exposure, we offer fully hermetic encapsulation in stainless steel housings, protecting the internal NdFeB cores from liquid ingress.
Heavy-duty magnetic fixtures designed to increase throughput and precision in structural concrete casting plants.
Precision-engineered magnetic plates designed to clamp side rails on structural steel beds without sliding.
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Heavy-duty structural socket systems designed for safe overhead lifting and moving of cured concrete panels.
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Features a central countersunk hole for easy screw mounting, delivering high holding force in a low-profile cup design.
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Cast steel spherical head anchors engineered for structural load transfers and safe transport of heavy precast units.
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Reinforcement bars fitted with integrated threaded lifting sockets for balanced weight distribution and secure hoisting.
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Heavy-duty carbon steel adapters designed to interface standard shuttering boxes with varying edge form profiles.
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A complete structural side form system incorporating high-performance magnets for fast cycle times in modern precast plants.
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Heavy-duty neodymium hook magnets designed to hold utility equipment, cables, and signs securely to steel structures.
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