how to extract gold recycle from mobile phones pocket pc old fashioned electronic circuit boards Published 2 years ago • 34K plays • Length 11:07 Download video MP4 Download video MP3 Similar videos 10:34 how to make gold from hdd hard disks drive old computer original gold extraction. 7:15 500000 hard disks drive scrap hdd gold recovery 21:15 chipset ic does contain gold. method recycle gold chips electronic components for recycling.