... domestic advanced cold feed extruder, plastic-coating machine and refrigeration equipment and has world advanced level. This product has stable ... used for hydraulic transmission in the mine machinery, coal mine equipment, hoisting, transportation, engineering machinery, machine tool and various ... 6, 8, 10, 13, 16, 19, 22, 25, 32.Unit: mmStructureIt is mainly composed of inner rubber ply, middle rubber ...