1.Patent products, pioneering design.
2.Buffer handling design, orbit without access port.
3.Track unique design, implanted into the ceiling. the same color beauty.
4.Door and micro seam track 5 mm, beautiful and concise.
5.The wheel balance structure, bearing equilibrium.
6.Double buffer, damping pipe 75 mm trip.
7.Buffer oan be reset function design.
8.Minimalist design, wheel number decreases, more quiet.