... residual heat, instead of coal, electricity, oil and gas heating. It has half a ton, a ... biomass is imperative, for the use of oil, gas, electricity, boiler companies, the application of ... integrated with above, multi-functional biomass pyrolysis gas engine is multi-functional biomass energy saving stove ... 10 million yuan, more than oil, gas boiler with burning oil, burning gas cost savings of 50-70%, ...