Intelligent Shaft Sinking Equipment Completes 637m Ultra-Deep Shaft Project
Songyang project completed two 637m ultra-deep shafts using "Tiangong" boring machine, achieving 278.28m monthly advance – 10x faster. Wanfeng supplies JZ winches (50-500kN), HZ grab loaders, headframes, kibbles, and sheaves. Exported to 30…
