1971 start manufacture &sale of double-effect direct-fired LiBr absorption chiller.
1971 start manufacture &sale of double-effect direct-fired LiBr absorption chiller.
1971年开始生产和销售双效直燃型溴化锂吸收式制冷机。
1971 start manufacture &sale of double-effect direct-fired LiBr absorption chiller.
1971年开始生产和销售双效直燃型溴化锂吸收式制冷机。