Engineered solutions designed for construction, manufacturing, and heavy engineering projects worldwide.
In high-precision industrial sourcing, search terms such as "3m Magnets" span three core technical requirements. Distinguishing between these intents is critical for procurement efficiency:
Premium magnetic fixing systems engineered for precision precast concrete slab and wall production.
Understanding the technological advantages, scale efficiencies, and supply chain control of Chinese rare-earth production.
China processes over 70% of the world’s rare-earth elements. QCM Magnet leverages direct partnerships with regional refineries to guarantee NdFeB raw material supply and price stability, shielding overseas buyers from global price spikes.
Using advanced multi-axis CNC grinders and wire-EDM setups, our factory hits tolerances down to ±0.05mm. This degree of accuracy is critical for high-load magnetic systems and integrated concrete shuttering rails where surface contact determines holding force.
Operating under ISO 9001 and IATF 16949 standards, we utilize automated optical inspectors, demagnetization test chambers, and flux density sensors to ensure that every magnetic circuit delivers 100% of its rated capacity before dispatch.
Use the performance matrix below to select the right material for your application's operating conditions.
| Magnet Type | Remanence (Br) - Tesla | Coercivity (Hcb) - kA/m | Max Energy Product (BHmax) | Temp Limit (°C) | Corrosion Resistance |
|---|---|---|---|---|---|
| Neodymium (NdFeB) - Sintered | 1.0 - 1.45 | 750 - 2000 | 30 - 52 MGOe | 80 - 220 | Moderate (Requires NiCuNi, Zinc, or Epoxy) |
| Samarium Cobalt (SmCo) | 0.8 - 1.1 | 600 - 900 | 18 - 32 MGOe | 250 - 350 | High (No coating required for standard use) |
| Alnico (Cast/Sintered) | 0.6 - 1.35 | 40 - 150 | 5.0 - 9.0 MGOe | 450 - 550 | Excellent |
| Ferrite (Ceramic) | 0.35 - 0.43 | 200 - 300 | 3.5 - 4.5 MGOe | 250 | Outstanding (Highly resistant to oxidation) |
Browse our latest advancements in high-force magnetic formwork box assemblies and precast concrete accessories.
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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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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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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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.
View DetailsQCM 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 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.
Fully compliant with international quality parameters, environmental standards, and precision manufacturing certifications.


















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 mainly involves precast concrete magnetic system solutions, helping you to better carry out concrete element production.
Become a global leading manufacturer and excellent service provider of magnetic solutions for the precast concrete industry.
Mitigate risk by ensuring your custom magnetic arrays match exact localized structural and civil codes.
Precast concrete automation lines are high-vibration environments. Traditional bolting methods destroy steel bed plates, increasing production costs and downtime. Integrated magnetic clamping boxes, ranging from 600kg to over 2500kg of vertical hold-down pressure, eliminate surface damage completely.
When selecting magnets for civil projects, thermal cycle testing is crucial. Standard NdFeB blocks will permanently demagnetize if exposed to temperatures above 80°C. QCM Magnet designs custom circuits with high-temperature grades (SH, UH, EH series) to withstand aggressive concrete curing cycles.
Concrete moisture and aggressive chemical additives will quickly degrade exposed rare-earth alloys. Our custom manufacturing team designs robust protection layers:
Stay informed on the latest technologies and upcoming international trade exhibition dates.
Precast concrete systems: Shuttering molds shape edges/openings on flat surfaces using magnetic fixation, while mold ...
QCM, a global leader in magnetic components, will participate in UK Construction Week 2025. From May 7th to 9th, at S...
Technical guidance straight from our engineering team to help you make informed decisions.
The holding force depends on the thickness of the contact steel plate, surface roughness, paint or concrete scale accumulation, and the angle of force. Always clean the bed plate before placing the magnetic boxes to ensure maximum magnetic coupling.
Yes. Samarium Cobalt (SmCo) has superior temperature resistance compared to Neodymium. We custom manufacture SmCo magnets (Grades SmCo5 or Sm2Co17) capable of operating in atmospheres up to 350°C without significant demagnetization loss.
We supply full certificates of origin, material reports, and magnetic field shielding packaging documentation. This ensures hassle-free customs clearance and safe shipping via air cargo or ocean freight under standard international transport protocols.
With regular cleaning and oiling to prevent concrete ingress, QCM shuttering magnets and magnetic recess formers have a working lifespan exceeding 3 years, even in high-humidity precast manufacturing conditions.
Industrial components optimized for high clamping forces, chemical protection, and severe field operating environments.