本系列产品是用我国著名磁路专家、国有发明奖获得者李国坤教授发明的具有世界领先水平的“拉推磁路”原理精心设计、反复试验后定型生产的高科技产品,已发展到第四代,现由兰州环美磁性器件研究所与我厂协作已大量生产。其广泛应用于国防、科研、航天、航空、石油、化工、真空、机械、食品、交通运输等行业。可完全防止有毒、有 This series of products is developed with the world-leading “push-pull magnetic circuit” principle invented by Professor Guo-Kun Li, a famous magnetic circuit expert and state invention award winner. The high-tech products have been developed The fourth generation, now by Lanzhou Central United States Institute of Magnetic Devices and I plant has been mass-produced. It is widely used in national defense, scientific research, aerospace, aviation, petroleum, chemical, vacuum, machinery, food, transportation and other industries. Can completely prevent toxic, there