ASSEL hot-rolled seamless steel pipe production line complete sets of equipment is inclined mill group, suitable for the production of high-precision thick-walled steel pipe, can produce all kinds of alloy pipe, bearing steel and carbon tubes, the product structure is reasonable. Modern Assel unit equipped with a new hydraulic quick opening device, an effective solution to the problem of tail triangle, improve product yield. Assel unit equipment structure of a number of improvements, greatly saving the time for the specification, user-friendly production of small quantities of multi-standard orders. Combined with the limited movement mandrel technology, product quality can be further improved. Taiyuan Heavy Industry in 2003 designed and manufactured the first set of independent intellectual property rights Φ159mm Assel pipe mill, in recent years has been designed and manufactured Φ159mm, Φ273mm, Φ325mm Assel unit.