槽型輥,槽型膠輥廣泛用于冶金、建筑、煤礦等行業，具有耐磨、耐壓、抗老化等優點。（機器開槽、尺寸準確）

Grooved rollers (electric cylinder)

Widely used in metallurgical industry,architecture and coal mining.High quality of wear resitsting,pressar resisting and ageling resisting.(mechanicall grooved and exactly measured.)