stamp duty tax meaning in English

印花税

Insurance policies by o . i . n . c . and relevant benefits , premia paid and claims paid , are exempted from any tax or levies to the state or any third party ( with the exception of income tax and stamp duty tax )
的保单和相关的保险金、已付保费和已付赔款免于政府或任何第三方征收的任何赋税或课税（除所得税和印花税外）。
The debenture of electric power of the yangtse river appears on the market today trade , still go up a bit longer , i want to ask , if debenture of buying and selling , whether to want to pay stamp duty tax , there had better be the answer of bond of the yangtse river of buying and selling which today , thank
今天长江电力的公司债上市交易，还上长了一点，我想问一下，假如买卖公司债，是否要交印花税税，最好哪位今天有买卖长江债券的回答一下，谢谢！