aluminum die-casting walkman post-process #fpy #diecasting #aluminum #oem #factory Published 7 days ago • 2.9K plays • Length 0:14 Download video MP4 Download video MP3 Similar videos 2:15 mobile case mold design for mold manufacturing at upmold.com 0:16 customized oem metal stainless steel investment casting high quality customization 1:54 thermoplastic carbon fiber prepreg manufacturing process/carbon fiber ud tape production line;