Phu Bia to open new gold mine in Laos | Land Info …Phu Bia to open new gold mine in Laos. January 25th, 2012 . Vientiane Times, 25 January, 2012. Phu Bia, one of the largest mining companies operating in Laos, expects to kick off its new gold mining project in Vientiane province in March, the Australian miner reported. PanAust, the parent company of Phu Bia, this week announced the …