EG is ethylene glycol;

NR is rubber;

Memorize futures codes quickly.

The one-letter one must be from Dalian.

All the suffixes with U are in Shanghai. In which AU is gold, CU is copper, FU is fuel oil and RU is rubber. Together, it is ACFR gold and copper burning glue.

A, B and C are beans 1, 2 and corn in turn; Corn is the English word for corn.