The plant's No.5 crude unit caught fire around 9.55 pm on Tuesday local time after a leak, and the fire was distinguished two hours later, Zhenhai refinery said on its official microblog around midnight Tuesday.
A trading source told that the No.5 unit is the newly installed facility with 220,000 barrels per day (bpd) capacity.
Zhenhai is Sinopec's largest subsidiary refinery, which in December completed a major expansion that enlarged its crude processing capacity to 800,000 bpd, from 460,000 bpd earlier.
