UPDATE 1 — Vietnam's BSR refinery to undergo major maintenance in 2027
(Adds details) HANOI, Oct 16 (Reuters) — Petrovietnam Refining and Petrochemical Corp, also known as BSR, will undergo major maintenance next year, the company said on Friday. It said it had secured crude oil for operations to the year-end. Domestic crude oil will account for 88% of the refinery's feedstock this year,