Rail companies from China have signed agreements worth US$ ... The largest item will be the upgrading of the San Martin line at a cost of US$ 2.6bn. This will involve work on 1,813km of track ...

San Martin is last in the group with just one victory ... Fernandez handed Belgrano a 1-0 win at Estudiantes. Enditem Follow China.org.cn on Twitter and Facebook to join the conversation.

Meanwhile, a first-half strike from Franco Toloza gave San Martin a 1-0 home win over Godoy ... Enditem Follow China.org.cn on Twitter and Facebook to join the conversation.