Jieyang recycled a lot. Idle fish is the App client of Alibaba's idle fish trading platform. As long as members use Taobao or Alipay account to log in, they can realize many functions, including one-click resale of personal Taobao account "Bought Baby", taking photos of their mobile phones and uploading second-hand idle items, online transactions, etc., without complicated shop opening procedures. There are many recycled old speakers in Jieyang, and there are many speaker factories and legacy speakers in Jieyang, which account for a large part of the speaker market, so a large part of the speakers above are from Jieyang.