... as well as branches, leaves, bark, roots, wood chips, bamboo powder, sawdust and other leftovers ... machine, with the port directly connected to the boiler, automatic intelligent control. One duty, automatically. ... harmful gases, protect the environment, not corrosion boiler, boiler life extension of more than 3 years. ... 000 yuan, more than oil, gas direct fired boiler oil, burning gas savings cost 50-70%, ...