Ningbo Sine Magnetic Co., Ltd, ke litsebi khampani kopanela Neodymium magnets (NdFeB), Alnico magnets, Samarium Cobalt magnets (SmCo), magnets ferrite (Ceramic magnets) 'me phutheho a khoheli a ka Ningbo, China. Re fana ka pele-sehlopha sa ka ho sa feleng lihlahisoa a khoheli a.