PVC（PE）perforated tube is called the plum blossom pipe or honeycomb pipe because its section is like the honeycomb. It is widely used in telecommunications, electric power, electric cable and optical cable installations in radio and television departments and other fields, for it has the special porous conjoined structure, quite strong shock resistance, compression resistance, high tenacity, pipe barrier isolation, simple operation process, swift suspender, strong adaptability to environmental, ability to lower the project investment and other advantages.