Series GYW Vacuum Permanent Magnetic Sefa
The momwe akadakwanitsira ntchito zinthu mndandanda wa Zosefera ndi motere: enieni magnetization koyefiya wa particles olimba zamkati ndi zosachepera 3000 × 0.000001cm3/g, tinthu kukula ndi 0.1-0.8mm, ndi kudyetsa ndende ndi ≥ 60% .
