L Series 2: 17 samarium cobalt hlau nplaum yog dav siv nyob rau hauv aviation, Marine, kho mob, tsheb thiab lwm yam lag luam vim nws tsis tshua muaj hlau nplaum coefficient.Br thiab BH (Max) ntawm L Series hloov me ntsis nrog kub nce.Tam sim no, peb tuaj yeem tsim cov hlau nplaum L22 hauv kev ruaj khov & loj ntau lawm nrog Br≥9.5kGs, α (20-60 ℃) hauv 100ppm.