Ningbo Sine Magnetic Co., Ltd, yinkampani professional waziphatha Neodymium iimagnethi (NdFeB), Alnico iimagnethi, Samarium ayibe iimagnethi (SmCo), iimagnethi ferrite (iimagnethi yodongwe) kunye nebandla sibubona e Ningbo, China. Siya nikeza lokuqala-class iimveliso esisigxina ngemagnethi.