* Playlist * 00:00 Process of making ball bearings. Korean old bearing manufacturing factory 11:00 Process of making ultra-high-strength concrete pile. Korean No.1 PHC pile factory 22:18 Process of making a modern tractor rotavator. Korean agricultural machinery manufacturing factory 38:14 Process of making Korean traditional bamboo bow. Korean best bow master 50:20 Process of making Korean traditional bamboo bow. Korean best bow master 📧 Video shooting inquiry : megaprocess7777@gmail.com I would like to express my gratitude to the CEO for helping with the production of the video, and I would also like to express my deep gratitude to the enthusiasm of the engineers. 🎥 Copyright(C) 2021. Mega Process. all rights reserved.