Ashton Precision Engineers Pty Ltd phone Unit 14-15/ 80 Hogarth Rd Elizabeth South, South Australia 5112 map Levett Engineering Pty Ltd phone 193 Phillip Hwy Elizabeth South, South Australia 5112 map if (!IN_DEV) { ?> } ?> Levett Engineering Pty Ltd phone 193 Philip Hwy Elizabeth South, South Australia 5112 map