High-pull magnetic chamfer strips optimized for extreme vibration and cold-climate precast casting.
Understanding the technical challenges of Orkhon Province's mining expansion and sub-zero civil engineering.
Erdenet, home to one of the world's largest copper and molybdenum mining and processing enterprises (Erdenet Mining Corporation), represents a crucial industrial hub in Mongolia. The region's ongoing infrastructure modernization requires massive volumes of precast concrete elements—ranging from heavy structural foundation beams, modular processing plant walls, retaining structures, to worker housing facilities. Standard timber or lightweight plastic chamfering methods frequently fail under the rigorous mechanical loads and extreme thermal variations required by Erdenet’s regional concrete yards.
Operating in an extreme continental climate where winter temperatures drop below -40°C presents severe challenges to concrete curing and formwork stability. Traditional adhesive-backed chamfers detach due to glue crystallization, while wood strips swell and crack during steam curing processes. QCM Magnet's high-coercivity Neodymium (NdFeB) and cold-resistant polyurethane magnetic chamfer strips maintain secure adhesion to steel formwork beds without adhesives, completely eliminating slurry leakage and post-production grinding costs in cold-climate manufacturing.
Comparing Steel, Polyurethane, Rubber, and PVC Magnetic Chamfers for Maximum Information Gain.
| Material Type | Magnetic Array Type | Pull Force (kg/m) | Flexibility / Radius | Best Use Case in Erdenet | Durability Rating |
|---|---|---|---|---|---|
| Solid Cold-Rolled Steel | Embedded NdFeB Neodymium Bar | 90 - 180 kg/m | Rigid (Straight lines only) | Heavy structural columns, precast beams, high-vibration casting tables. | ★★★★★ (10+ Years) |
| High-Density Polyurethane (PU) | Integrated Flexible Magnet Strip | 35 - 75 kg/m | Semi-Flexible (Minor curves) | Wall panels, architectural reveals, moisture-exposed steam curing units. | ★★★★☆ (5-7 Years) |
| Synthetic Vulcanized Rubber | Continuous Magnetic Powder Core | 25 - 45 kg/m | Highly Flexible (Curved formwork) | Circular manholes, specialized curved mining shaft liners. | ★★★☆☆ (3-5 Years) |
| Extruded Rigid PVC | Surface Magnet Inserts | 20 - 40 kg/m | Rigid / Lightweight | Standard residential precast slabs, lightweight edge beveling. | ★★★☆☆ (2-3 Years) |
Choosing between triangular and trapezoidal chamfer strips directly influences demolding physics and aesthetic corner beveling. Triangular magnetic chamfers (typically 10x10mm, 15x15mm, 20x20mm, 25x25mm) create crisp 45-degree finished edges, preventing concrete spalling during formwork stripping. Trapezoidal magnetic chamfers (reveal strips) are engineered to cast precise drip grooves or architectural joints in precast exterior panels, guaranteeing water deflection away from critical structural joints in Erdenet's freezing wet climate.
QCM Magnet utilizes proprietary Halbach Array and focused magnetic circuit designs within our chamfer housings. By channeling flux lines exclusively toward the contact surface contacting the steel bed, we maximize vertical holding power while preventing magnetic interference with internal steel rebar cages. Our Neodymium magnets undergo anti-corrosion tri-layer plating (Ni-Cu-Ni or Epoxy coating) to resist alkaline slurry corrosion.
Transparent wholesale pricing benchmarks, total cost of ownership (TCO), and long-term cost savings for Erdenet precast operations.
| Product Line Description | Dimensions (mm) | Material / Magnet Specs | Est. Wholesale Price Range (USD/meter) | MOQ (Meters) |
|---|---|---|---|---|
| Steel Triangle Magnetic Chamfer | 10x10 / 15x15 / 20x20 | Cold-Rolled Steel + N45 Neodymium | $4.50 - $8.20 / m | 100m |
| Steel Single-Sided Magnetic Triangle | 15x15x21 / 20x20x28 | High Magnet Force Steel Array | $5.20 - $9.80 / m | 100m |
| Magnetic Polyurethane Chamfer | 15x15 / 20x20 | 85 Shore A PU + Flexible NdFeB | $3.80 - $6.50 / m | 200m |
| Trapezoidal Magnetic Strip (Reveal) | Top 20 / Base 30 / H 15 | Machined Steel / PU + Magnet Inserts | $6.80 - $12.50 / m | 100m |
| Magnetic Rubber Chamfer Strip | 10x10 to 25x25 | Synthetic Rubber Powder Magnet Core | $2.90 - $5.10 / m | 300m |
*Note: Final prices vary based on raw material market fluctuations (NdFeB / Steel), custom length CNC requirements, and shipping terms (FOB, CIF Tianjin/Ulaanbaatar/Erdenet). Contact our team for formal quotations.
In traditional Erdenet precast yards, wooden or foam chamfers are nailed or glued. They degrade after 2-3 uses, requiring constant manual labor for scraping residue, reapplying adhesives, and replacing damaged wood strips. Below is an engineering economic comparison per 1,000 meters over 1 year (approx. 200 casting cycles):
Unrivaled supply chain resilience, advanced magnetic assembly engineering, and direct railway logistics to Mongolia.
As a direct Chinese manufacturer based in the heart of magnetic assembly production, QCM Magnet sources high-purity rare-earth Neodymium materials directly. This guarantees consistent holding forces, zero batch-to-batch flux degradation, and competitive factory-direct pricing for Erdenet importers without distributor markups.
Our production line features automated high-precision CNC planers, laser cutting, and custom polyurethane casting molds. We supply exact cut lengths (from 1-meter to 4-meter single continuous profiles) with customized chamfer angles (30°, 45°, 60°) to meet complex architectural blueprints in Orkhon Province.
Located with streamlined access to the Erenhot / Zamiin-Uud border rail transit corridor, QCM Magnet delivers rapid, cost-effective freight directly to Erdenet rail terminals. We handle complete export customs documentation, anti-magnetic air/sea/rail packaging, and bulk container handling.
Decades of specialization in precast concrete magnetic fixing systems.
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 reusable.
Utilizing 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 in Erdenet and globally.
Learn More About Our Factory
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 custom magnetic assemblies.
Our business mainly involves precast concrete magnetic system solutions, helping precast production yards better carry out structural concrete element production with zero platform damage.
To become a global leading manufacturer and excellent service provider of magnetic solutions for the precast concrete industry, powering major industrial expansions across international markets.
ISO9001, CE, and rigorous pull-force test certifications ensuring standard compliance for Erdenet projects.






Explore our full line of magnetic formwork systems, shuttering magnets, and specialized chamfer profiles.
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Contact our senior technical sales team today for comprehensive product catalogues, custom CAD drawings, wholesale pricelists, and direct delivery estimates to Orkhon Province.
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