It inherited the strict attitude and exquisite process of German nationality, with significant energy-saving effect and new technology to secure the food safety; it has dramatically improved the operation level of domestic cold chain.
再问： 厉害！
那这句呢
“最新版VS 系列的变频技术是全球同类产品唯一生产商，更可以节能25%，并使用完全无氟制冷剂，更加环保可靠。”