When I import OBJ file it does not show I have imported this file before an it has worked but not this time. I have pressed Numpad . and that just zooms me into here the picture below. I am not in local view.Last time it worked it had imported absolutely huge bugs scaling it down doesn't seem to work. thanks for your help!
The size of your import is very small.
You can use the S  key to scale the object.