Vietnam's Nghi Son refinery secures crude supplies through November, mostly from Kuwait ↧ ↧ Vietnam's Nghi Son refinery secures crude supplies through November... Vietnam's largest oil refinery, Nghi Son Refinery and Petrochemical LLC, known as NSRP, has secured enough crude oil, mostly from Kuwait, to operate at ​125% of its designed capacity through to the end of November, General Manager Le Nguyen Quoc Vinh ‌said.