We are a specialized state - of - the - art production lines with the world, the belt conveyor idlers and spare parts, machinery manufacturing. Our annual production reached 1 million sets of rollers, are widely used in mining machinery, metallurgy, port, chemicai industry and other industries. The Company by the machining workshop, and the supporting roller Institute salea company. Product Description: 1, the surface is smooth, stable quality, maintenance-free. 2, the diameter of a small jump, a smooth rotation, long service life. 3, the bearing and seal structure, various forms of user-selected. 4, multi-channel labyrinth seal to prevent dust and water intrusion. 5, high precision, special steel, to ensure low noise and low vibration roller.