overwhelming korean factory! dangerous making processes of concrete architectural structures BEST 4

Playlist * 00:00 Process of making ultra-high-strength concrete pile. Korean No.1 PHC pile factory 11:31 Process of making huge plastic water tank. Korean storage tank manufacturing factory 24:02 Process of making connecting columns to columns 'huge girder'. Korean precast concrete factory 35:35 Process of making various retaining wall. Korean old concrete building material factory 📧 Video shooting inquiry : [email protected] 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.