Features* Specially designed for heavy industry;* Ecologic design with independent intellectual property rights;* Germany imported worm wheel hob is used to process turbine, which optimizes contact area, ensures intensity;* Heat treatment is well used for the surface of screw, hardness achieve 500-550HV;* Low Friction, longevity noodle, high-efficiency;* Power source is enough, motor and other driving machine can be connected directly, hand driving is available;* Output type is multiple.