Established in the famous Oriental port city Ningbo, Ningbo TRONSUM Magnetic Industry Co., Ltd. is a national high-tech enterprise that integrates the R&D, production, and sales of rare earth NdFeB (neodymium iron boron) permanent magnets.Our company always sticks to the concept of "quality first" and lays stress on quality control throughout the production process. We have earned ISO9001, IATF16949, ISO14001 certifications, and our quality is assured.Upholding the principles of excellence, innovation, and reliability, TRONSUM sincerely provides customers with environmentally friendly, high-quality NdFeB products, which has won recognition and support from many domestic and overseas customers.