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How about Yulin Zhongli Petrochemical Oil?

Yulin Zhongli Petrochemical Oil is not good. Neutral oil is a small gas station, and its oil quality needs to be verified. At present, the national oil companies are basically China Petroleum or Zhongtong Petrochemical, or Shell Petroleum in Shanxi, Shaanxi and Henan, all of which are relatively large oil companies. The rest of the small companies buy from big companies. If the boss doesn't cheat, there should be no problem with the quality of the oil.