Automatic sleeve making machine/sleeve production line
As a multifunctional tool, the sleeve is widely used in many fields. The following are the main uses of the sleeve: Fixing screws and bolts: The sleeve is usually composed of multiple holes of the same size and is used to fix different types of screws and bolts. Using as a wrench or sleeve wrench: In daily life, the sleeve is usually used as a wrench or sleeve wrench, especially for turning bo