Core Competitiveness_Ningbo Permanent Magnetics Co., Ltd.

Supply Chain Security

A strategic supply assurance system built on secure raw material sourcing, integrated manufacturing, and supply chain management

Strategic Sourcing Security
Long-term strategic partnerships with major rare earth groups secure the stable supply of critical raw materials
Integrated Manufacturing Control
Internal capabilities covering block production, machining, coating, and assembly with vertical control, enabling full process quality management
Flexible Supply System
JIT & VMI supply mode support for rapid response and delivery
Regulatory & Export Compliances
A comprehensive export compliance management system ensuring risk-mitigated global deliveries

                       Industry Integration | Resource Security | Integrated Process Chain | Compliant Governance
                    

Multi-Channel & Multi-Scale Interface Enhancement

Multi-Element Light Rare Earth Main Phase Coupling

Multi-Main Phase Composite Structure Construction

Grain Boundary Multi-Liquid-Phase Interface Control

Grain Boundary Diffusion

Grain Refinement

Advanced Materials Technology

Multi-Element Light Rare Earth Main Phase Coupling
PrNd Reduction & High-Abundance Rare Earth Integration: Reconstructing multi-element LRE main phases via homological high-abundance Ce substitution; reducing reliance on PrNd while improving material cost efficiency
Multi-Main Phase Composite Structure Construction
In-Situ GBD: Introduction of HRE intermetallic compounds to restructure grain boundaries; reduces Dy/Tb consumption by 10%–20%
Grain Boundary Multi-Liquid-Phase Interface Control
HRE-Free Tech: Uniform RE₆Fe₁₃M phase control at grain boundaries; enables stable mass production of HRE-free 50SH & 52SH grades
Grain Boundary Diffusion
HRE Minimization: Directional grain boundary infiltration from the surface; improving Coercivity (Hcj) with minimal heavy rare earth input to balance performance and cost
Grain Refinement
Coercivity Enhancement: Metallurgical refinement reduces grain size to 2.5–4 μm, improving coercivity by 1.5–3.0 kOe without increasing material cost

Intelligent Manufacturing

An integrated intelligent manufacturing system ensures consistent quality and reliable global delivery

Deep integration of automated production lines and smart control systems for precise process control
End-to-end digital tracking and full process traceability across critical manufacturing processes, ensuring consistency and reliability

Consistent Quality | Stable Performance | Full Traceability

Product Excellence

High Endurance Capabilities

Low Weight Loss

- Optimized Composition & Processing
- Enhanced Corrosion Resistance
- Improved Long-Term Reliability
- Weight Loss < 1 mg/cm² (HAST: 130℃/2.7atm/95% RH,Test duration: 7/14/20days)

Low Temperature Coefficient

- Stable production through optimized composition and microstructure control
- Excellent demagnetization resistance
- Operating temperature increased by 10–15°C

High Operating Temperature

- Multi-Main-Phase Composite Structure
- Grain Boundary Diffusion (GBD) Technology
- Higher Operating Temperature
- Reduced Thermal Demagnetization

Product Excellence

High Consistency

- Magnetic Properties
  •Consistent batch-to-batch magnetic properties (e.g. Br & Hcj), suitable for high-stability applications

- Magnetic Orientation Deviation
  •Coordinated pressing & machining optimization, deviation ≤3° for specified applications
  •Advanced Process Control, deviation ≤1° for high-end .applications

Product Excellence

High Material Utilization

- Optimized block design
- High precision machining control

Case Study A Certain Axial Flux Motor Project: Material utilization improved by more than 20% through process optimization.

Optimized Block Design A

Optimized Block Design B

Optimized Block Design C

Co-Engineering & Integration

Engineering capabilities covering material selection, magnetic circuit optimization, and magnetic assembly integration, delivering highly efficient, reliable permanent magnet solutions for customers worldwide.

Integrated Assembly Solutions: Motor Rotor Assemblies, Linear Motor Assemblies, Magnetic Couplings, Axial Flux Motor Assemblies, Axial Flux Motor Assemblies, Wind Turbine Generator Assemblies, Halbach Array Assemblies, Overmolded Magnet Assemblies and more.

Early Stage Development Involvement | Co-Development | One-Stop Solution Contact Us

Cost Efficiency & TCO Optimization

Efficient Material Utilization: Efficient material processes that effectively control raw material investment costs.
High Material Utilization: High output ratios with significantly minimized material scrap losses.
Lean Manufacturing: Continuous optimization of manufacturing efficiency, delivering lower total cost of ownership (TCO).

Core Competencies

Supply Chain Security

Advanced Materials Technology

Intelligent Manufacturing

Optimized Block Design A

Optimized Block Design B

Optimized Block Design C

Co-Engineering & Integration

Cost Efficiency & TCO Optimization