Shenzhen strength reaches the branch to create the hardware main production sale, American PEM the American SOUTHCO series standard presses the riveting screw, presses the riveting stud, presses the riveting bolt, presses the riveting nut, the pine does not escape (spring screw) and so on products. In addition produces each kind of hardware precise components and the customer special demand spare parts, and has develops technology of ability independently the new product. But the incoming sample attempts the processing.