Profile: Shijiazhuang Huansheng Import and Export Co., Ltd. specializes in design, research and development, production, manufacturing and surface treatment springs. We mainly produce vending machine springs, harvester springs, hay rake springs, compression springs, tension springs, torque springs and all kinds of special-shaped springs. Our vending machine spring is mainly used in all kinds of high-end vending machines. The vending machine spring is different from the pressure spring products, the pressure spring products mainly use the rebound force of the spring, and the working principle of the vending machine spring is the torque force. When the spring rotates, it can sell the items placed in the gap of the spring by using torque.