Automatic coal fired poultry/green house hot air heater high working efficiency: 1)energy:coal 2)heating style:hot water air Automatic coal fired poultry/green house hot air heater high working efficiency: 1)energy:fire the coal to heat water in heater which set up in working...

Coal fired hot water air heater for poultry house: 1)energy:coal 2)heating style:hot water air Coal fired hot water air heater for poultry house: 1)energy:fire the coal to heat water in heater which set up in working room2)heating style:hot water air,heated water air flow throgh...