1 a number of patents for the latest computer structure analysis design, high rigidity, high pressure, stop design is the most used high load, bearing bending. 2 to adapt to the industrial impact of various environmental impact, strong composite new plastic low temperature, high weather resistance, long service life of Fu He economic benefits. 3 quality stability, safety, size uniformity, high trust, with no automatic warehousing, labor saving, high speed operation, care for the environment. 4 light weight, high efficiency, resistance to crushing loss, no punch, iron