Process of making manhole covers by melting scrap metal. Korean iron lid mass production factory

🔎 Information 🔔 Manhole cover in the video : National Treasure Metal (054-532-3191) 🗺️ Address : 43-13, Namjeok-ro, Sangju-si, Gyeongsangbuk-do, Republic of Korea 📧 Video shooting inquiry : megaprocess7777@ 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.