מקום מוצא
Guangdong, China
Name
Multipole ring electro magnetic toy
Grade
N35-N52(M,H,SH,UH,EH,AH)
Magnetism direction
Diametrically magnetization
Material
Neodymium Iron Boron
Certification
ISO9001:2015
Processing
sintered, Tesing, lining cutting, Surface treatment, magnetization
Life
Permanent under condition