Buy Long Magnets Factories & Company

Precision Engineering, Superior Magnetic Cohesion Force, and Global OEM/ODM Infrastructure for Precast Concrete Systems

Primary Magnetic Fixing Solutions

Engineered structural systems providing precise alignment and heavy-duty clamping forces up to 2800 lbs.

OEM 2800 lbs precast shuttering magnet

OEM 2800 lbs /1300 kg pulling force precast shuttering magnet Supplier, Exporters

Ultra-rugged Neodymium core configured to deliver reliable 1300 kg shear resistant holding power on vibrating steel platforms.

Verify Engineering Data
OEM Y35 Ferrite Magnet

OEM Y35 Professional Ferrite Permanent Diametrically Magnetized Ring Magnet for Speaker Manufacturer, Companies

High-coercivity Y35 ferrite rings optimized for industrial speaker transducers and precision vibration motor assemblies.

Verify Engineering Data
NdFeB Cup Shape Pot Magnets

High-Quality Good Price Customized NdFeB Cup Shape Round Base Neodymium Pot Magnets Disc Countersunk Hole Magnet with Screw Manufacturers, Factory

Countersunk base structure shielded in steel cups to focus maximum vertical pull force. Perfect for structural steel connections.

Verify Engineering Data
Custom PVC Concrete Chamfer

Custom PVC Concrete Chamfer Manufacturers, Factory

Accurately profiles concrete edges. Made from resilient polymer compounds designed for minimal degradation in alkaline environments.

Verify Engineering Data
China Grout Connection Tube Magnet

China Grout Connection Tube Magnet Conduit Locators Product, Products

Magnetic centering plugs utilized to secure connection conduits to structural templates, avoiding leakage and shift.

Verify Engineering Data
China powerful precast concrete magnets

China powerful precast concrete magnets Supplier, Company

Heavy-duty raw block assemblies and custom integration packages tailored for automation-ready precast casting beds.

Verify Engineering Data
Adapters for shutter magnets

High-Quality Adapters or clamps for shutter magnets Exporters, Products

High-tensile carbon steel adapter components designed to pair shuttering boxes with varying wooden or steel formwork profiles.

Verify Engineering Data
Precast Concrete Formwork Shuttering Magnets

Wholesale Precast Concrete Formwork Shuttering Magnets Manufacturer, Exporters

Integrated multi-stage magnetic cores engineered to handle dynamic shear stresses while retaining easy on/off actuation mechanics.

Verify Engineering Data

Evolution and Engineering Trends of Industrial Long Magnets

The global structural precast concrete and industrial automation markets have experienced a profound shifts over the past decade. The demand for "Long Magnets" and structured multi-pole magnetic blocks is no longer limited to simple holding operations. Driven by the fast growth of smart manufacturing, mechanized formwork production lines, and high-performance magnetic assemblies, factories must now deliver magnetic solutions that guarantee structural rigidity under dynamic thermal and vibrational loads.

Historically, standard ceramic (ferrite) magnets were utilized for simple positioning, but their low energy density restricted their use on large-scale modular elements. The introduction of sintered Neodymium-Iron-Boron (NdFeB) long bar magnets revolutionized the construction sector. By configuring neodymium blocks within custom magnetic shunt layouts, contemporary manufacturers achieve magnetic forces up to 5500 lbs (2500 kg) with minimal weight footprints.

"Key Industry Vector: The industry is migrating toward intelligent magnetic clamping systems featuring integrated IoT indicators that verify whether a magnet is fully engaged or deactivated, protecting automated shuttle systems and steel molds from structural damage."

Furthermore, sustainability targets are pushing manufacturers to design reusable assemblies. Shuttering magnets eliminate the need to weld or drill directly onto casting tables, preserving the life of mirror-finish steel beds from a typical 12-month replacement cycle to more than a decade of continuous reuse.

5500+ lbs
Peak Holding Force
10+ Years
Formwork Bed Longevity
80°C - 150°C
Thermal Resistance Ranges
Zero
Casting Bed Welding Damage

Global Procurement Demands & Specification Analysis

B2B procurement departments evaluating long magnet factories look beyond unit cost; they scrutinize materials stability, structural mechanical housing, and dimensional tolerances. When sourcing high-capacity components such as precast concrete magnets or custom NdFeB long bar blocks, engineers look at specific magnetic configurations and properties:

Magnet Type / Application Standard Grade Options Target Shear Clamping Force Key Corrosion Protection Recommended Environmental Limit
Heavy Shuttering Magnet (Precast) NdFeB (Sintered N42 - N52) 600 kg to 2500 kg Stainless Steel / Zinc Plated Housing Standard (<80°C) or High-Temp (<120°C)
Custom Block Long Magnets NdFeB N35 to N50M Application-dependent Ni-Cu-Ni Triple Coating / Epoxy Resin Mechanical assemblies up to 100°C
Speaker Ring & Sensor Magnets Ferrite Y30 / Y35 N/A (Flux Density Optimized) Natural Material Stability (No Coating Required) High thermal tolerance up to 250°C
Conduit & Insert Locators NdFeB Core / Polyurethane Encased 50 kg to 200 kg Rubberized / Plastic Protective Shell Standard concrete curing environment

The Quality Gap: Many low-grade suppliers cut costs by utilizing recycled Neodymium powder, which leads to magnetic degradation under vibration and thermal cycles. QCM Magnet addresses this by using strictly certified raw materials to ensure that magnetic flux drop remains below 1% over 5 years of active industrial service.

About QCM Magnet

QCM Magnet (Qianci 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

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

Our Strategy

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

Premium Core & Newly Released Systems

Explore our highly-acclaimed standard models and newest innovations built to streamline industrial output.

Magnetic Box Precast Concrete Formwork Magnet

Magnetic Box Precast Concrete Formwork Magnet Shuttering Magnet

Proven safe and efficient tool in precast concrete production. Features a 1600kg series with massive magnetic force, high durability, and easy manual/robotic handling.

Standard Series
4600 lbs Carbon Steel Precast Concrete Shuttering Magnet

4600 lbs Carbon Steel Precast Concrete Shuttering Magnet

Delivers a strong 2100kg pull force. Optimizes product manufacturing by reducing mold set-up times and improving dimensional consistency.

Industrial Heavy Duty
5300 lbs strong magnetic force precast concrete magnet

5300 lbs strong magnetic force precast concrete magnet

Generates a massive 2400kg clamping force. Popular across Europe for demanding structural panel manufacturing and high-volume housing construction wall systems.

Premium Grade
2800 lbs /1300 kg pulling force precast shuttering magnet

2800 lbs /1300 kg pulling force precast shuttering magnet

Engineered for versatile placement, commonly deployed to secure the edge molds of flat concrete floor slabs and double-wall panels.

Standard Series

Heavy-Duty Carbon Steel Series Specifications

2200 lbs precast concrete stepping shuttering magnet

2200 lbs precast concrete stepping shuttering magnet

Optimized for stepping profile systems.

2800 lbs /1300 kg pulling force precast shuttering magnet

2800 lbs /1300 kg pulling force precast shuttering magnet

Engineered with highly focused flux concentration.

4000 lbs Carbon Steel precast concrete shuttering magnet

4000 lbs Carbon Steel precast concrete shuttering magnet

Anti-abrasion carbon steel casing design.

2000 lbs Carbon Steel Precast Concrete Shuttering Magnet

2000 lbs Carbon Steel Precast Concrete Shuttering Magnet

Lightweight frame with powerful clamping stability.

600kg/1320 lbs magnetic force shuttering magnet

600kg/1320 lbs magnetic force shuttering magnet

Ideal for thin panels and lightweight side rails.

5300 lbs strong magnetic force precast concrete magnet

5300 lbs strong magnetic force precast concrete magnet

Maximum structural stability for tall structural elements.

5500 lbs Carbon Steel Shuttering of Precast Concrete

5500 lbs Carbon Steel Shuttering of Precast Concrete

Engineered for heavy-duty structural precast applications.

4600 lbs Carbon Steel Precast Concrete Shuttering magnet

4600 lbs Carbon Steel Precast Concrete Shuttering magnet

Optimal balance of weight, size, and holding force.

Mechanical Framework & Magnetic Field Concentration

The core mechanical advantage of QCM's shuttering systems lies in their magnetic circuit design. A bare neodymium block emits a magnetic field in all directions, which is inefficient for clamping. QCM's engineering team designs custom mild steel housings that act as magnetic shunts. This structure routes the magnetic flux lines through the contact plate to the casting platform, significantly increasing the vertical and shear clamping force.

This design approach allows a compact 3.2 kg unit to deliver a clamping force equivalent to a 2100 kg load. This high power-to-weight ratio reduces physical strain on operators and improves safety on the factory floor.

Corrosion & Wear Defense: Concrete casting involves moisture, alkaline cement mixtures, and mechanical release agents. Standard long magnets without surface protection oxidize rapidly, leading to micro-cracking and loss of magnetic performance. QCM products feature a multi-layer protective coating, combining Ni-Cu-Ni plating with epoxy barrier coats, and are housed in stainless steel or heavy zinc-plated carbon steel shells to withstand harsh industrial environments.

Next-Generation Magnetic Technology Roadmap (2025–2030)

As industrial processes move toward greater automation, QCM is focusing its R&D on key areas of magnetic technology:

  • Ultra-High Thermal Coercivity: Developing NdFeB formulas that maintain stability at temperatures up to 180°C to support steam-curing concrete manufacturing processes.
  • Automated Handling Profiles: Modifying magnetic box designs to include top-gripping patterns compatible with robotic gantry systems used in automated precast plants.
  • Eco-Friendly Manufacturing: Incorporating recycled rare-earth elements into our NdFeB supply chain to help customers meet green building and carbon reduction targets.

Specialized Formwork Accessories & Dynamic Components

Ensure seamless production with our tailored magnetic locators, lifting clutches, and chamfering strips.

Triangular Magnetic Rubber Chamfer Strip

Wholesale Triangular Magnetic Rubber Chamfer Strip Manufacturers, Product

Flexible, integrated magnetic rubber strips designed for clean beveling of precast structural concrete wall and floor joints.

Verify Engineering Data
Custom Neodymium Magnet 60x10x5mm

Custom 60x10x5mm Long Bar Ndfeb Block Neodymium Magnet Exporter, Company

Precision-ground sintered NdFeB blocks offering excellent dimensional stability and reliable performance for high-tolerance industrial applications.

Verify Engineering Data
Magnetic Recess Former

Buy Magnetic Recess Former for Foot Anchor Pricelist, Exporter

Heavy-duty anchor-positioning tools designed to secure lifting hardware to cast molds without drilling or puncturing.

Verify Engineering Data
Precast Concrete Embedded Insert Magnetic Fixing

China Precast Concrete Embedded Insert Magnetic Fixing Supplier, Suppliers

Specialized magnetic locators for thread sockets, conduits, and precast lifting inserts, preventing displacement during concrete casting.

Verify Engineering Data
Precast Concrete Anchor Reinforcement Bars

OEM Precast Concrete Anchor Reinforcement Bars with Threaded Lifting Socket Suppliers, Factories

Threaded lifting sockets integrated with high-yield reinforcement bars, designed for lifting precast components.

Verify Engineering Data
3500 lbs precast shuttering magnet

Buy 3500 lbs /1600 kg precast shuttering magnet Pricelist, Products

A heavy-duty 1600 kg capacity magnetic shuttering box designed for securing high wood or aluminum side-molds.

Verify Engineering Data
Wire Rope Lifting Loops

Custom Wire Rope Lifting Loops for Precast Concrete Manufacturer, Suppliers

High-tensile wire rope loops designed for lifting and positioning precast concrete panels and beams.

Verify Engineering Data
Wholesale lifting clutch for precast concrete

Wholesale lifting clutch for precast concrete Pricelist, Products

High-safety lifting clutches engineered for secure connection and quick release with embedded anchors during transport.

Verify Engineering Data

Manufacturing Compliance and Global Operations

Operating as a global partner for key construction projects, QCM Magnet maintains strict quality control systems. Our manufacturing facilities are certified under the ISO 9001:2015 quality management standard. Each production batch undergoes automated shear stress tests, salt-spray corrosion tests, and dimensional tolerance checks before shipping.

Certificate 1
Certificate 2
Certificate 3
Certificate 4
Certificate 5
Certificate 6

QCM products comply with CE standards, making them ready for immediate integration into European precast manufacturing lines. We offer complete traceability from the raw material stage to the finished product, helping clients satisfy site-level audits and regulatory safety standards.

Industrial Insights & Technical Updates

Stay up to date with our latest industry developments, exhibition news, and technical publications.

What is the difference between Formwork Magnets and Shuttering Magnets
2025-05-15

What is the difference between Formwork and Shuttering Magnets?

A detailed comparison of magnetic systems in precast concrete. Shuttering molds shape edges and openings on flat surfaces using magnetic fixation, while mold systems secure larger profiles...

QCM at UK Construction Week 2025
2025-04-30

QCM Set to Redefine Construction Efficiency at UK Construction Week 2025

QCM, a global manufacturer of magnetic components, will showcase its latest magnetic fixings and shuttering systems at UK Construction Week 2025 from May 7th to 9th...

Frequently Asked Questions

Detailed technical answers addressing common questions from engineering and procurement teams.

Q1: How do I select the correct pulling force (e.g., 1300 kg vs 2100 kg) for my concrete shuttering magnet?
Selection depends on the height and material of your side formwork, as well as the concrete thickness and vibration intensity during casting. Generally, 600–1000 kg units are suitable for residential wall panels and thin slabs, 1300–1600 kg units are typical for standard commercial wall production, and 2100–2500 kg units are recommended for heavy structural forms and thick precast elements subjected to strong vibration.
Q2: Why does the magnetic force of some neodymium shuttering magnets drop over time, and how does QCM prevent this?
Magnetic decline is usually caused by oxidation of the neodymium material or exposure to temperatures above its rated limit. QCM uses high-grade sintered NdFeB blocks with protective multi-layer coatings, sealed inside a stainless steel casing. Our magnets are rated to operate reliably up to 80°C, with high-temperature variants available for steam-curing lines up to 150°C.
Q3: Can these magnetic systems be integrated into automated robotic production lines?
Yes, our shuttering and formwork magnets are designed with standard mounting holes and adaptors compatible with automated robotic handling systems. The central release button can be mechanically engaged or disengaged by robotic grippers, making them suitable for fully automated precast concrete plants.
Q4: What is the typical service life of a QCM shuttering magnet system?
With regular cleaning and proper storage, our shuttering systems are designed to last over 3 years in demanding industrial environments. The permanent NdFeB core retains its magnetic properties indefinitely, requiring replacement only if the physical casing or internal mechanism sustains severe mechanical damage.
Q5: Does QCM provide custom adapters and chamfer strips?
Yes, we provide custom steel and rubber-magnetic chamfering strips as well as specialized adapters. Our engineering team can design custom mounting configurations to match your specific profile dimensions, whether you use wood, steel, or aluminum formwork.