October cargoes see selective export interest Tight coking coal supply supports steel costs Chinese billet prices rose by RMB 20/t ($3/t) d-o-d to RMB 3,040/t ($453/t) on 4 September, while SHFE rebar futures increased by RMB 15/t ($2/t) to RMB 3,106/t ($463/t). In contrast, billet export offers fell by $6/t to $466/t FOB. The domestic…