Research Article
Research on E-Commerce Purchasing Model in Crude Oil Trade
Table 3
General indicators of crude oil supplier evaluation.
| Overall target layer | Primary indicator | Secondary indicators |
| General indicator of crude oil supplier evaluation | Crude oil quality | Light oil yield | Density | Moisture | Sulfur content | Purchase cost | Crude oil prices | Transport fees | Financial expenses | Supplier potential | Future sustainable mining capabilities | Policy impact | Cost of mining |
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