b. SM Downstream Procurement Pattern Situation a) Feedstock Sources - Contract and Spot Cargoes b) Pricing Mechanism - Contract and Spot Cargoes c) Downstream Products Prices VS. SM Prices - Contract and Spot Cargoes
c. SM Downstream Procurement Pattern Developing Trend a) SM Contract Trading and Spot Trading Proportion Changes b) Developing Trend - Contract and Spot Cargoes c) SM Downstream Future Procurement Pattern VS. Current Situation'