Model features 1 adopts all- through cnc rotary chuck, large passable diameter of pipes, the largest diameter is 85mm. 2 independent innovative designed secondary circulating feeding system, cut longer mosaic graphics within a limited range of travel. 3 integrated cutting system, high strength automation, fast dynamic response. 4 equipped with multiple different auxiliary gas inlet system, automatic conversion between high pressure and low pressure and different gases. Application range Carbon steel, stainless steel, alloy steel, gold, silver, aluminum, and other metal pipe. Suitable for metal plate, metal parts, doors and windows, kitchenwares, handicrafts metal pipe industry