TN chaussures (http://www.nikemaxtn.com/) are the sole shock absorption technology launched by NIKE in 1982, which is a cushioning air-cushion set between the outside sole and midsole .

• 磁力泵的优点介绍: 磁力泵是一种通过磁力传动器(磁力联轴器)来实现无接触力矩传递从而以静密封取代动密封，使泵达到完全无泄漏。