Description: Sinking and Lining of Air Return Shaft at Jiaojia Gold Mine
Owner: Shandong Gold Mining (Laizhou) Co., Ltd.
The air return shaft, located in Jiaodong Peninsula of Shandong province (the 3rd largest gold occurrence area), is the fourth large and deep shaft developed by JCHX at the same area, following the service shaft and the air intake shaft at Shaling Gold Mine and the main shaft at Zhuguolijia Gold Mine. According to mining industry statistics, this shaft is currently one of the biggest shafts in China with a net diameter of Φ11m. The scope of work includes shaft sinking and lining (shaft depth 951m), insets development and other auxiliary works. The contract period is 500 calendar days.