1976 start manufacture &sale of hot water double-effect LiBr absorption chiller.
1976 start manufacture &sale of hot water double-effect LiBr absorption chiller.
1976年开始生产和销售热水双效型溴化锂吸收式制冷机。
1976 start manufacture &sale of hot water double-effect LiBr absorption chiller.
1976年开始生产和销售热水双效型溴化锂吸收式制冷机。