1970 start manufacture &sale of large-scale double-effect steam-fired LiBr absorption chiller.
1970 start manufacture &sale of large-scale double-effect steam-fired LiBr absorption chiller.
1970年开始生产和销售大型双效蒸汽直燃型溴化锂吸收式制冷机。
1970 start manufacture &sale of large-scale double-effect steam-fired LiBr absorption chiller.
1970年开始生产和销售大型双效蒸汽直燃型溴化锂吸收式制冷机。