为适应商品楼宇对高、中档电梯日益增长的需求。我国自行设计和制造的新型电梯拖动系统——稀土永磁无刷自流无齿电梯曳引机及拖动控制系统(技术),5月31日通过了由国防科工委主持,由行业主管部门、高校和科研院所专家组成的技术鉴定委员会的技术鉴定。 目前电梯产品由于新技术的不断采用和发展。更加安全可靠、快捷舒适、节能降耗。其 To meet the commodity buildings on the high-end, mid-range elevator growing demand. China’s own design and manufacture of a new type of elevator drag system - rare earth permanent magnet brushless gravity toothless elevator traction control system (technology), May 31 by the National Defense Science and Industry Commission presided over by industry executives Technical appraisal committee composed of experts from departments, universities and research institutes. At present elevator products due to the continuous use of new technologies and development. More safe, reliable, fast and comfortable, energy saving. its