1977 start manufacture &sale of large-scale LiBr absorption chiller utilizing solar energy.
1977 start manufacture &sale of large-scale LiBr absorption chiller utilizing solar energy.
1977年开始生产和销售太阳能大型溴化锂吸收式制冷机。
1977 start manufacture &sale of large-scale LiBr absorption chiller utilizing solar energy.
1977年开始生产和销售太阳能大型溴化锂吸收式制冷机。