On August 27, 2014, Da Yu No. 2 TBM for Sinohydro Bureau  11 Co., LTD. was completed by CREG in Zhengzhou, Heanna Province. This is the first time that CREG suuplies TBM to Sinohydro Group. This Earth Pressure Balance TBM with diameter of 6.25m, plans to launch on October 1 in Shenzhen Metro Line 7.