about sinopec
senior management members
ma yongsheng
president
yu baocai
senior vice president
liu hongbin
senior vice president
ling yiqun
senior vice president
li yonglin
senior vice president
chen ge
senior vice president
yu xizhi
vice president
shou donghua
chief financial officer
zhao rifeng
vice president
huang wensheng
vice president
secretary to the board of directors
