Annual report pursuant to Section 13 and 15(d)

LEGAL PROCEEDINGS AND CONTINGENCIES LEGAL PROCEEDINGS AND CONTINGENCIES (Details)

v3.20.4
LEGAL PROCEEDINGS AND CONTINGENCIES LEGAL PROCEEDINGS AND CONTINGENCIES (Details)
1 Months Ended
Aug. 31, 2016
Defendants
CNMC  
Loss Contingencies [Line Items]  
Loss Contingency, Number of Defendants 10