Хятад улс SZL Биомассын Зуухны үйлдвэр ханган . SZL биомассын Зуухны Бүтээгдэхүүний танилцуулга SZL series biomass boiler adopts chain grate which is suitable for burning the biomass fuel like wood chip biomass pellet etc SZL series biomass boiler is double drum natural circulation boiler the whole into an O shaped ...