CHN Shenhua Brand
Homo| Coal Base MI = 4.5
Ụdị nke Sinopec Homo| Ntọala mmanụ MI = 3.0
Ọnụ ego nke CHN Ningxia Coal
Homo| Coal Base MI = 3.2
Homo| Coal Base MI = 3.0
Ụdị CNPC
Homo| Ntọala mmanụ MI = 3.0
Bero LyondellBasell
Homo| Oil base MI=12
Ndị otu Hengli
Homo| Oil base MI=70
Homo| Coal Base MI=15
Ụdị SABIC