The machine can be used to make pvc spiral reinforced pipe. the total production line inclouding two extruders,forming device,water tank and winder. The pipe wall presure is reinforced by spiraling soft pvc and hard pvc. This kind of pipe has features of compression resistance,resisting strong corrosion and possitive or negative pressure,bent-resistant, good liquidity,etc,it is suitable for carrying the gas,liquid,power and granules. The pipe is widely used in industy,agriculture,construction and water conservancy irrigation,etc.