https://www.cncmachingparts.com/
Jiesheng Hardware located in QiaotouTown Dongguan city Guangdong Province, now we has all kinds of imported machines, CNC computer lathe , computer processing center, precision automatic lathe, screw machines.
JBL Homemade renovation home speakers renovation enclosure upgrade jbl do it yourself speaker How to build simple home speakers woodworking project, mdf wood building homemade speakerbox make Hi-Fi Speakers / Home Audio How to build a speaker construction Update Aluminium view my other Dark purple Speaker build High Gloss 2012 self made JBL High end Audio speakers White to Aluminium MDF simply construction woofer jbl with hexagon socket screws
https://www.youtube.com/watch?v=YtTMeqijHmI
スピーカーを構築する方法
自宅のスピーカーの作り方
วิธีการทำเครื่องเสียงในบ้าน