Breakthrough in Chinese electric furnaces: Xianzhou air frequency conversion stoveThe Chinese electric furnace industry has been continuously developing since the last century. Although products such as induction cookers and liquefied gas tanks have gained a certain market share, they all have their own problems that limit user experience...

Recently, the State Administration of Radio and Television issued a document requiring that at least six analog channels be retained for the overall conversion of digital television nationwide. This policy has attracted widespread attention, prompting people to think: how many TV sets do we need in the digital wave?Firstly, we need to understand what digital television and analog television are...