beijing dec 2 reuters  chinese steel rebar and hot rolled coils futures jumped on thursday as demand for the most traded may deliveries are expected to recover from the weak consumption season the most active construction rebar futures on the shanghai futures exchange increased 23 to 4328 yuan 67953 a tonne as of 0330 gmt extending gains to a fourth straight session hot rolled coils futures  used in the manufacturing sector also rose for the third consecutive session up 13 at 4714 yuan per tonne demand expectation for may contracts are improving and performs better than the january contracts we expect steel products will remain strong in longer term gf futures wrote in a note steelmaking raw materials on the dalian commodity exchange were mixed benchmark iron ore futures  for january delivery edged down 01 to 622 yuan per tonne while spot 62 iron ore stood at 1055 a tonne on wednesday  according to steelhome consultancy miners from brazil exported 2899 million tonnes of iron ore in november down from 2915 million tonnes in the same month a year earlier according to local government dalian coking coal futures rose 29 to 1989 yuan a tonne and coke prices were up 16 to 2802 yuan per tonne reporting by min zhang in beijing and enrico dela cruz in manila editing by rashmi aich