The spring is made of domestic top-grade wire and is made by imported computer numerical control automatic forming machine (the only one in China). It is treated by constant temperature electric furnace to ensure that the spring is stable without tilting, the pressure is stable and not weak, and the optional hanger and belt can be equipped with balance lifting. Bracket spring, etc.

It is used to place the inside of the sliver can, ensuring that the spring is stable without tilting, and the pressure is stable and not weak.