A twisting mechanical device that can be widely used in various soft/hard conductor wires, twists multiple single conductors into one strand, and meets the technological requirements of the wire. Stranding machines can generally be divided into single stranding machines, double stranding machines, high-speed stranding machines, back-twisting machines, cage stranding machines, frame stranding machines, tubular stranding machines and disc stranding machines according to the stranding method. machine etc.