Why is Santan oil cheap?

The quality of the oil is slightly poor. Low cost. According to Netease news, the query is displayed.

1, the oil quality is slightly poor. The refinery of Santan Petroleum is smaller than that of state-owned enterprises, and its working procedures are not so strict. Therefore, the oil quality of private gas stations may be slightly different from that of Sinopec and PetroChina, resulting in cheap oil prices.

2, the cost is low. The gas stations of Santan Petroleum are smaller in scale, not as big as Sinopec, and distributed in marginal and remote areas to provide oil products for remote areas. A lot of personnel costs are saved, the rent is cheap, and the cost is reduced. So Santan oil is cheap.