Ningbo Sine Magnetic Co., Ltd, ari nyanzvi kambani yaita Neodymium magnets a (NdFeB), Alnico magnets a, Samarium cobalt magnets A (SmCo), ferrite magnets A (Ceramic magnets a) uye simba renyika rinonzi magnetic gungano muna Ningbo, China. We achakupaiwo vomuzana kirasi zvechigarire rinobva zvigadzirwa.