Another meaning of lean supply network is working collaboratively with fewer supplier groups (Trent, 2008). Fewer suppliers mean companies can work more closely and more efficiently towards a common goal by sharing information and building trust. Furthermore, Lean also offers clear benefits in the area of ​​improving employee productivity. Caspian Company, a Pennsylvania industrial sensor manufacturer, achieved a 12% increase in labor productivity development over a two-year period after implementing Lean (Cooper & Maskell,