Ụlọ ọrụ CNPC Daqing Refinery
Ngbochi| Ntọala mmanụ MI = 0.32
Emebere na china
Ọnụ ego nke CHN Ningxia Coal
Ngbochi| Coal Base MI = 2.0
Wanhua Chemical Group
Mgbochi | Ebe mmanụ MI=30
Bero LyondellBasell
Mgbochi | Ebe mmanụ MI=44
Oriental Brand
Mgbochi | Ntọala mmanụ MI=2.5
Ndị otu Hengli
Mgbochi | Ntọala mmanụ MI=8.5