PU food grade steel hoses: spiral spring steel wire firmly implanted in the wall, so that the external liquidity optimization, internal smooth, optimize the flow characteristics, light weight and possessed scalability; high pressure, vacuum and compression, high shaft to strength, high tensile strength and tear strength; good low temperature flexibility, bending radius is small, easy to knot, softener and halogen-free, gas and liquid does not leak, vacuum sealed, can be ranked by the spiral wire grounding static, can withstand approximately -40 ° C to 125 ° C, short time up to about 150 ° C of temperature. Lose liquor distillery metal hose, metal hose liquor distillery delivery structure within food-grade high-precision stainless steel bellows, the outer wall is food-grade high-precision stainless steel mesh, pipe wall thickness, resistance to stress, good corrosion resistance, which kinds of materials made of non-toxic food grade hose, and this food-grade alcohol tube output and long life