지하 금광 지지 도구 MF47 용융 아연 도금 마찰 안정기

Video Description:
Discover the MF47 Hot-dip Galvanizing Friction Stabilizer, a customizable support mining rock friction bolt designed for underground gold mine support. This high-strength, hot-dip galvanized friction rock bolt ensures full-length anchoring and active reinforcement of surrounding rock for mine tunnel stability.