Ningbo Mingrui Magnetic Material Co.,Ltd. (NB.MR.) is a company in China who specialized in producing Magnetic cartridge . Application: Magnetic cartridge can get rid off iron matter on liquor then be used in various domains such as chemical industry, foodstuff industry, medicament, feedstuff industry and so on. The magnetic field strength must be at a higher Gauss level (12000Gauss)Size, length and shape: Size and length of the magnetic tubes, and shape of the framework will vary at your request