The Import/Export Warehouse X,Y,Z location is wrong. I tried it and it ported me mid-air and dropped me to my death. Here is the actual locations as I entered in my vMenu teleports.
{
"name": "Import/Export Warehouse",
"coordinates": {
"x": 970.49,
"y": -2990.58,
"z": -39.65
},
"heading": 209.96
},