Shipping NdFeB Magnets from China? Here’s What Nobody Tells You About Export Inspection
If you’ve bought neodymium magnets from China recently, you may have heard the words “customs inspection” more often than you’d like. Shipments...
Read ArticleXHMAG Technical Blog
Engineering guidance, grade selection, export compliance, and quality documentation for NdFeB magnet procurement.
Magnets for Servo Motors：Why Tight Dimensional Tolerance Matters More Than Grade
When a servo motor designer specifies a rotor magnet, the conversation almost always starts with magnet grade — N38, N42SH, N48UH. Grade...
Read Article
Understanding NdFeB Temperature Coefficients：α and β Explained for Motor Designers
Every sintered NdFeB magnet loses performance as it heats up. For a motor designer, the question is never whether that happens—it’s how...
Read Article
Rare Earth Weekly：Nd/Pr Oxide Pricing and Supply Update—July 2026
Neodymium-praseodymium (Nd/Pr) oxide — the main raw material behind every sintered NdFeB magnet — is trading around 760,000–766,000 yuan/mt in mid-July 2026...
Read Article
How to Write an NdFeB Magnet RFQ That Gets Useful Responses
Most magnet quotes come back slow or wrong for one reason: the RFQ didn’t say enough. “I need a strong 20 mm...
Read Article
NdFeB Salt Spray Testing：What the Hours Actually Mean for Your Application
Salt spray testing is the most widely cited measure of corrosion resistance for sintered NdFeB magnets — yet the hours on a...
Read Article
BLDC Motor Magnets ：Arc Segment vs Block vs Ring ——Which Geometry Works for Your Rotor？
The magnet geometry you choose for a brushless DC (BLDC) or permanent-magnet synchronous (PMSM) rotor is one of the earliest and most...
Read Article
Grain Boundary Diffusion（GBD）Technology Explained：How It Achieves High Hcj Without Dy/Tb
Coercivity (Hcj) is what keeps a permanent magnet stable when the temperature climbs. In a traction motor at 150 °C, or a...
Read Article
What Should Be in Every NdFeB Magnet Shipment Document Package？
A magnet shipment rarely gets held at customs because of the magnets themselves. It gets held because one document in the package...
Read ArticleNeed Technical Guidance for Your Application?
Submit your motor type, working temperature, and current grade. Our engineers will respond with a grade recommendation and BH curve data within 24 business hours.
Request Technical Quote