Chemical fiber bag covers a wide range, basically needs to be compressed, then bundled and packaged into the transport process needs. In China, the more popular way is the heavy PP belt plus an iron ring. This method is simple, but it can not fix the package size. There is a big problem in carrying out container or container transportation. Moreover, more and more downstream textile enterprises are very repellent of metal such as iron rings in packaging materials. So at present, the way of bundling chemical fibre bags with PET tape is very popular and is being promoted in a large number.