auto door closer

auto door closer
1,material: aluminium
2,color:aluminium color
3,door width: 500mm-2300mm
4,door weight: 20-90kgs
auto door closer
1, item number:
VW-DC-A78
2, pictures:

3, material: aluminium
4, color: silver / gold / aluminium color
5, door width:
700-1200mm
6, door weight: 45
-75KGS
7, size:
220*54mm
8, installation size: 203* 19mm
9, shape:
round
10, suitable for steel or hardware or plastic door