Research on E-Commerce Purchasing Model in Crude Oil Trade

Table 4

Supplier’s crude oil quality data.

Supplier	Daqing oilfield	Jilin oilfield	Russian imports	Inner Mongolia cooperation	Shuangyang foreign investment cooperation
Light oil yield	27.3	26.5	58.3	39.5	21.2
Score	7	7	10	9	6
Density (20 Cg/cm)	0.8356	0.8631	0.8221	0.8281	0.8812
Score	9	9	10	10	8
Moisture %	0.06	0.06	0.09	0.13	0.10
Score	10	10	8	6	7
Sulfur content %	0.16	0.16	0.68	0.10	0.18
Score	9	9	5	10	7