Product is suitable for the area wide, especially in automotive components to connect, direction, ball joint parts of the machinery industry. Technology improvement is usually open seam on the bearing, greatly improving the quality of stability, reliability.

This product is made of composite material plate side trim, has a hole at the top of the side trim system, the outer surface of the hemisphere trim for steel, the inner surface to reduce friction layer, characterized by the surface of the hemisphere trim seam no openings.