HIGA magnetic materials production plant
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Materials · Magnetic Materials

Magnetic Materials

HIGA Magnetic Materials Division — motor inner rotors, magnetic strips and rings, magnetic granules and powders, and sintered ferrite and NdFeB magnets.

  • Rotors
  • Strips
  • Rings
  • Granules
  • Powders
  • Sintered magnets

Capacity

HIGA Magnetic Materials Division

01Granules30,000t/yrBonded magnetic granules
02Strips28,000t/yrDoor gasket magnetic strips
03Bases11Production bases
04Lines70Extrusion lines

Overview

Industry layout and capability

05

Domestic bases

  • Hefei
  • Jingzhou
  • Zhongshan
  • Chengdu
  • Guizhou
05

Overseas bases

  • Thailand
  • Mexico
  • Poland
  • Vietnam
  • Serbia
02

Bases in preparation

  • Egypt
  • Brazil
01Mixing4Internal mixing lines
02R&DHefeiR&D center

Innovation

IP · STD · ISO

Patents, standards and certification

  • 15invention patents(6 materials, 5 equipment, 4 methods)
  • 26utility model patents(24 equipment)
  • 2standards(lead 1 industry standard, participate in 1 group standard)
  • ISOISO 9001, ISO 14001, ISO 45001 certified

Products

Main products

Magnetic Materials19 grades · 6 families

Magnetic Granules7 grades
CPE Plastic-Bonded Magnetic GranulesWeak · Standard · High · StrongTSCA compliant
Magnetic GranulesCPE Plastic-Bonded Magnetic Granules
  • Weak · Standard · High · Strong
  • TSCA compliant

Extrusion and calendering into refrigerator door seal strips, motor strips and fridge magnet sheets.

Home appliances

Isotropic Sm-Fe-N Magnetic PowderHSTF0811 / 1013Multi-directional magnetization
Magnetic GranulesIsotropic Sm-Fe-N Magnetic Powder
  • HSTF0811 / 1013
  • Multi-directional magnetization

Sensors, small appliance magnets and magnetic structural parts.

Home appliances

Anisotropic Sm-Fe-N Magnetic PowderHSYF1308 / 1508High-temperature stability
Magnetic GranulesAnisotropic Sm-Fe-N Magnetic Powder
  • HSYF1308 / 1508
  • High-temperature stability

Precision motors, automotive sensors and high-performance permanent magnet devices.

Home appliancesAutomotive

PA12 Injection-Grade Magnetic GranulesPA12-180 · 200 · 220 · 1200SLow water absorption
Magnetic GranulesPA12 Injection-Grade Magnetic Granules
  • PA12-180 · 200 · 220 · 1200S
  • Low water absorption

TPMS magnetic rings, high-end encoder rings and micro precision magnets.

Automotive

PA6 Injection-Grade Magnetic GranulesPA6-180 · 200 · 220Good injection flow
Magnetic GranulesPA6 Injection-Grade Magnetic Granules
  • PA6-180 · 200 · 220
  • Good injection flow

Motor magnetic rotors, sensor cores and precision magnetic parts for household motors.

Home appliances

Injection-Molding Magnetic CompoundsSC-2.3 · SC-2.2SrM + PA6
Magnetic GranulesInjection-Molding Magnetic Compounds
  • SC-2.3 · SC-2.2
  • SrM + PA6

Injection-molded micro motor rings and rotors, copier and fax magnetic rollers, precision sensors, automotive electronics and small appliance parts.

Home appliancesAutomotive

Ferrite Magnetic PowderBarium & strontium ferriteTSCA compliant
Magnetic GranulesFerrite Magnetic Powder
  • Barium & strontium ferrite
  • TSCA compliant

Raw material for low-cost magnetic functional, holding, drive and decorative parts.

Magnetic Powders5 grades
Dry-Pressing Sintered Ferrite PowderBMS-2.12 · BMS-2.9HBr 420 ± 10 mT
Magnetic PowdersDry-Pressing Sintered Ferrite Powder
  • BMS-2.12 · BMS-2.9H
  • Br 420 ± 10 mT

High-performance motor arc segments, radially and multipole-oriented rings and tubes, and small, thin and complex-shaped magnets.

Wet-Pressing Sintered Ferrite PowderBMS-12B · BMS-12H(BH)max 37.6 kJ/m³
Magnetic PowdersWet-Pressing Sintered Ferrite Powder
  • BMS-12B · BMS-12H
  • (BH)max 37.6 kJ/m³

Loudspeaker magnet rings, magnetic separation equipment, home appliances, automotive motors and industrial equipment.

Home appliancesAutomotive

Bonded Ferrite PowderBMXF-4DB · BMXF-4DInjection & calendering
Magnetic PowdersBonded Ferrite Powder
  • BMXF-4DB · BMXF-4D
  • Injection & calendering

Automotive damping sheets, refrigerator door seal strips, advertising magnets, magnetic stationery, micro motor rings, rotors and strips.

Home appliancesAutomotive

Magnetic Recording PowderBMXF-5Barium ferrite BaFe₁₂O₁₉
Magnetic PowdersMagnetic Recording Powder
  • BMXF-5
  • Barium ferrite BaFe₁₂O₁₉

Magnetic stripe cards for banking, transit, metro, railway, scenic-area tickets and phone cards.

Electromagnetic Wave Absorber Powder1–36 GHz−10 to −50 dB
Magnetic PowdersElectromagnetic Wave Absorber Powder
  • 1–36 GHz
  • −10 to −50 dB

Radar cross-section reduction, clutter suppression and anti-EMI in communication equipment, anechoic chambers and electromagnetic radiation protection.

Magnetic Strips3 grades
Micro Motor Magnetic StripMade to drawinge.g. 92.7 × 16.5 × 2.4
Magnetic StripsMicro Motor Magnetic Strip
  • Made to drawing
  • e.g. 92.7 × 16.5 × 2.4

Motor housings and fan magnet slots; consistent performance with minimal effect on fan speed.

Home appliances

Extruded Door Seal Magnetic StripCustom section & pole layoutSections 2.0 × 9 to 3.0 × 10
Magnetic StripsExtruded Door Seal Magnetic Strip
  • Custom section & pole layout
  • Sections 2.0 × 9 to 3.0 × 10

Magnetic door seals for refrigerators, water and tea bars, upright and medical freezers.

Home appliances

High-Performance Sm-Fe-N Motor Magnetic StripSm-Fe-N + ferrite in CPE+20–30% vs. ferrite strips
Magnetic StripsHigh-Performance Sm-Fe-N Motor Magnetic Strip
  • Sm-Fe-N + ferrite in CPE
  • +20–30% vs. ferrite strips

High-speed and low-power motors: fans, blenders, water pumps and small DC motors.

Home appliances

Sintered Magnets2 grades
Sintered Ferrite Permanent MagnetsBMS-12B · BMS-12HArc segments & blocks
Sintered MagnetsSintered Ferrite Permanent Magnets
  • BMS-12B · BMS-12H
  • Arc segments & blocks

Electric home products, household appliances, automotive components, office automation equipment and magnetic and small electric toys.

Home appliancesAutomotive

Sintered NdFeB Permanent MagnetsN35 · N38 · N40(BH)max up to 326 kJ/m³
Sintered MagnetsSintered NdFeB Permanent Magnets
  • N35 · N38 · N40
  • (BH)max up to 326 kJ/m³

Information technology, intelligent manufacturing, wind power, rail transit, new energy vehicles, medical equipment and defense.

Automotive

Motor Rotors1 grade
Home Appliance Motor Inner RotorIn-mold orientationCustom specifications
Motor RotorsHome Appliance Motor Inner Rotor
  • In-mold orientation
  • Custom specifications

Appliance motors; precision parts can be finish-turned after molding.

Home appliances

Magnetic Rings1 grade
Plastic-Bonded Magnetic RingHeat resistant to 120 °CTSCA compliant
Magnetic RingsPlastic-Bonded Magnetic Ring
  • Heat resistant to 120 °C
  • TSCA compliant

Inductive encoders, appliance motors and automotive motors.

Home appliancesAutomotive

How to read this index. Grades are grouped by material family, exactly as in the HIGA product documentation. Hover or tap a grade for full specs and applications, or click through to its product page.

Home appliance motor inner rotor
011 product

Motor Rotors

In-mold oriented inner rotors for appliance motors; precision parts can be finish-turned after molding. Tooling is fast and mold ownership is clear, and molds, finished parts, machining, raw materials and shafts can be combined to suit each customer.

Plastic-bonded magnetic ring
031 product

Magnetic Rings

Injection-molded from nylon magnetic granules with in-mold orientation; finish turning reduces rotor vibration. Heat resistant to 120 °C for inductive encoders, appliance motors and automotive motors, and TSCA compliant.

Portfolio

Product portfolio

07 families

Sintered ferrite magnets
01/ 07

Sintered Ferrite

  • Pre-sintered powder
  • Arc segments
  • Rings
Sintered NdFeB magnets
02/ 07

Sintered NdFeB

  • Arc segments
  • Beveled segments
Magnetic assemblies
03/ 07

Magnetic Assemblies

  • Magnetic switches
  • Magnetic panels
Extruded magnetic strips
04/ 07

Extruded Strips

  • Door gasket strips
  • Door curtain strips
  • Guide rail strips
Calendered magnetic sheets
05/ 07

Calendered Sheets

  • Motor sheets
  • Fresh-keeping sheets
  • Adhesive sheets
Injection-molded magnets
06/ 07

Injection-Molded Magnets

  • Rotors
  • Assemblies
  • Granules
Compression-molded magnets
07/ 07

Compression-Molded Magnets

  • Bonded ferrite
  • Bonded NdFeB

Material Finder

Filter by industry, application and property

Open Material Finder

Applications

Rubber magnet products

08 applications

Refrigerator door strips
01

Refrigerator door strips

Door curtain strips
02

Door curtain strips

Shower door strips
03

Shower door strips

Motor strips
04

Motor strips

Virtual wall strips
05

Virtual wall strips

Magnetic window screens
06

Magnetic window screens

Teaching aid strips
07

Teaching aid strips

Rubber magnetic sheets
08

Rubber magnetic sheets

Quality

Extruded door gasket strips — quality

Extruded door gasket strips from Lingyuan New Materials fit every type of door gasket on the market, and are tested and certified for low-temperature brittleness, low-temperature shrinkage, antibacterial and anti-mold performance, safety and dangerous-goods transport.

Tested & certified

  1. T-01Low-temperature brittleness
  2. T-02Low-temperature shrinkage
  3. T-03Antibacterial & anti-mold performance
  4. T-04Safety
  5. T-05Dangerous-goods transport

Applications

  • Pair-suck strips
  • Virtual wall strips
  • Tea bar door strips
  • Refrigerator door strips
  • Freezer door strips
  • Reel screens

Test report

Extruded door gasket strips

RoHS

  • mg/kg
SubstanceLimit (mg/kg)
Cd≤100
Pb≤1000
Hg≤1000
Cr6+≤1000
PBBs≤1000
PBDEs≤1000

Manufacturing

Production process

08 steps

  1. Step 01
    Ingredients

    Ingredients

  2. Step 02
    Kneading

    Kneading

  3. Step 03
    Crushing

    Crushing

  4. Step 04
    Cooling

    Cooling

  5. Step 05
    Extrusion

    Extrusion

  6. Step 06
    Magnetizing

    Magnetizing

  7. Step 07
    Inspection

    Inspection

  8. Step 08
    Packing

    Packing

Facilities

Our factory

06 views

Solution

Cost-down solution: refrigerator fan motor strips

Refrigerator fan motor magnetic strips
Refrigerator fan
Fan motor
Magnetic ring
01

Application

Micro motors and fan motors in home appliances, telecom equipment and vehicles, as well as sensors.

02

Composition

Ferrite and CPE (chlorinated polyethylene) polymer; black thin sheets pressed from magnetic powder and plastic; high efficiency with continuous, cost-controlled production.

03

Cost advantages

  • Continuous process raises capacity by 15%+ and cuts trimming loss from 15% to below 5%
  • Formula optimization reduces powder processing loss by 3–5% and additive usage by 10–20%
  • Variable-frequency calenders, heat recovery in hot pressing, and up to 10% powder regrind reuse
0115%+Capacity raised by continuous process
0215% → <5%Trimming loss
033–5%Less powder processing loss
0410–20%Less additive usage
0510%Powder regrind reuse (up to)

Innovation · Sm-Fe-N

New products

High-performance Sm-Fe-N motor magnetic strips
  • Sm-Fe-N
  • CPE binder

High-Performance Sm-Fe-N Motor Magnetic Strip

Composition
Sm-Fe-N and strontium ferrite powders with additives in CPE (chlorinated polyethylene elastomer) — internally mixed, calendered, cut and magnetized into flexible strips.
Performance
With high-frequency, high-voltage magnetizing equipment, 20–30% higher performance than ordinary ferrite motor strips.
Applications
High-speed and low-power motors — fans, blenders, water pumps and small DC motors.
Sizes
92.7 × 16.5 × 2.4 · 103.3 × 15.8 × 2.4 · 22.95 × 1.35 × 0.3
Product details
Isotropic Sm-Fe-N magnetic powder
Anisotropic Sm-Fe-N magnetic powder
  • HSTF0811 / 1013
  • HSYF1308 / 1508

Sm-Fe-N Magnetic Powders

Isotropic
High forming freedom, multi-directional magnetization, simple processing and lower cost — for general sensors, small appliance magnets and simple magnetic structural parts.
Anisotropic
Higher magnetic performance and a stronger field after oriented magnetization, with outstanding high-temperature stability — for precision motors, automotive sensors and high-performance permanent magnet devices.

Technical data

Magnetic material comparison

Remanence

  • T
  • Bonded Ferrite0.11–0.55
  • Bonded Ce-NdFeB0.15–0.59
  • Bonded NdFeB0.25–0.74
  • Sm-Fe-N Powder1.30–1.45
  • Sintered NdFeB1.08–1.51

Bar length = upper limit (scale 0–1.51 T); solid segment = range

Ferrite vs Sm-Fe-N

T
Bonded Ferrite0.11–0.55
Sm-Fe-N Powder1.30–1.45

Coercivity

  • kA/m
  • Bonded Ferrite70–334
  • Bonded Ce-NdFeB90–355
  • Bonded NdFeB160–520
  • Sm-Fe-N Powder597–1035
  • Sintered NdFeB796–1075

Bar length = upper limit (scale 0–1075 kA/m); solid segment = range

Ferrite vs Sm-Fe-N

kA/m
Bonded Ferrite70–334
Sm-Fe-N Powder597–1035

Energy product

  • MGOe
  • Bonded Ferrite0.2–5.1
  • Bonded Ce-NdFeB2.0–6
  • Bonded NdFeB2.5–12
  • Sm-Fe-N Powder33–40
  • Sintered NdFeB33–55

Bar length = upper limit (scale 0–55 MGOe); solid segment = range

Ferrite vs Sm-Fe-N

MGOe
Bonded Ferrite0.2–5.1
Sm-Fe-N Powder33–40

Curie temperature

  • °C
  • Bonded Ferrite—
  • Bonded Ce-NdFeB—
  • Bonded NdFeB350
  • Sm-Fe-N Powder472
  • Sintered NdFeB310

Bar length = value (scale 0–472 °C); — = not listed

Ferrite vs Sm-Fe-N

°C
Bonded Ferrite—
Sm-Fe-N Powder472

Max. working temp.

  • °C
  • Bonded Ferrite120
  • Bonded Ce-NdFeB—
  • Bonded NdFeB180
  • Sm-Fe-N Powder160
  • Sintered NdFeB230

Bar length = value (scale 0–230 °C); — = not listed

Ferrite vs Sm-Fe-N

°C
Bonded Ferrite120
Sm-Fe-N Powder160

Oxidation & corrosion resistance

  • Bonded FerriteGood
  • Bonded Ce-NdFeBGood
  • Bonded NdFeBFair
  • Sm-Fe-N PowderGood
  • Sintered NdFeBPoor

Rating as listed: Good / Fair / Poor

Ferrite vs Sm-Fe-N

Bonded FerriteGood
Sm-Fe-N PowderGood
PropertyBonded FerriteBonded Ce-NdFeBBonded NdFeBSm-Fe-N PowderSintered NdFeB
Remanence (T)0.11–0.550.15–0.590.25–0.741.30–1.451.08–1.51
Coercivity (kA/m)70–33490–355160–520597–1035796–1075
Energy product (MGOe)0.2–5.12.0–62.5–1233–4033–55
Curie temperature (°C)——350472310
Max. working temp. (°C)120—180160230
Oxidation & corrosion resistanceGoodGoodFairGoodPoor

Recognition

Certifications & honors

Lingyuan New Materials completed ISO 9001, ISO 14001 and ISO 45001 certification in 2024.

ISO 9001 certificate
  • ISO 9001
ISO 14001 certificate
  • ISO 14001
ISO 45001 certificate
  • ISO 45001
Honor plaques of Lingyuan New Materials

Honors

  • Anhui Specialized and Innovative SME (2023)
  • National High-Tech Enterprise
  • Hefei Recognized Enterprise Technology Center (2023)

Selected invention patents

  • 15
  1. 01Automated production line for refrigerator door gasket magnetic granules
  2. 02Cooling box for refrigerator door gasket magnetic strips
  3. 03Automatic conveying and inspection equipment for magnetic strips
  4. 04Charging board assembly for fast pole-spacing magnetization and its inspection method
  5. 05Integral-control fast magnetizer for door gasket strips
  6. 06Automatic coiling device for refrigerator magnetic strips
  7. 07Centralized closed feeding system for high-density magnetic granules
  8. 08Cooling conveyor for door gasket magnetic granules
  9. 09Ultra-thin flexible magnetic eyelash sheet and its preparation
  10. 10Magnetic strip, preparation method and application
  11. 11Sm-Fe-N magnet and its preparation
  12. 12Low-temperature metal bonding preparation of high-performance Sm-Fe-N composite magnets
  13. 13High-performance permanent ferrite material and its preparation
  14. 14Door gasket magnetic strip based on eco-friendly plasticizer HM828
  15. 15Preparation method for Sm-Fe alloy with reduced Sm volatilization