This machine adopts main and assistant nozzles,and reliable 4 shafts linkage at both sides,6shafts linkage,positive cam shedding,by which the types of the fabric is increased,as well as electronic letting-off,electronic picking,electronic taking-up(selective),frequency conversion slow-speed inching system with the ability of seeking waft automatically and easy-operation. SAK425 SAK625 series of Air Jet Loom is applied for weaving various raw cloth,middle Jeans and others as it can solve the common problems efficiently due to its advanced structure,such as stop mark,mechanical mark,and lack of weft or tricot.