2019 Some C5 cracking facilities maintain schedule

Company: PetroChina Liaoyang  Maintain start: June-July   Time: 60 days

Company: PetroChina Lanzhou  Maintain start: May 1 Time: 50 days

Company: PetroChina Duzishan  Maintain start: July.29 Time: 60 days

Company: Zhongyuan Ethylene Maintain start: TBD Time: 45 days