The foaming machine is mainly used in producing the EPE tubing, the process is like this: first melt the LDPE tree ester, then mix it with the butane gas, the talcum powder, anti-contraction medicinal preparation and other medicinal preparation, squeeze out the mixture through the extruding machine, after it becomes spongy in the die head part, finalize the design. The low density polyethylene foaming product includes foaming net, foaming stick, foaming tube and foaming diaphragm and so on. It is becoming the most popular packing material in the present market with the good function of body light, supple, soft, decompress quakeproof, willowy, anti-impact, heat insulation and preservation and so on, It has been widely used in the packing field of the pipeline heat insulation and preservation, fruit and melon packing as well as various domestic electric appliances, precision instrument, upscale furniture, ceramics, glass and so on