Ningbo Sine Sib Nqus Co., Ltd, yog ib tug kws lub tuam txhab koom nyob rau hauv Neodymium hlau nplaum (NdFeB), Alnico hlau nplaum, Samarium Cobalt hlau nplaum (SmCo), ferrite hlau nplaum (Ceramic hlau nplaum) thiab sib nqus los ua ke nyob rau hauv Ningbo, Tuam Tshoj. Peb muab first-class tas mus li magnetic khoom.