PDF工具转换程序，从caj，kdh等电子书进行转换，方便使用-PDF tools for the conversion process, from the caj, kdh, etc. to convert e-books, easy to use

可以把caj和pdf格式的文件转换成word格式，十五天试用期，很方便，还有其他一些功能-Can caj and pdf format files into word format, 15 days trial period, it is convenient, there are other features