Product Description High Quality FCL Rubber Bush, FCL Metal Pin, FCL Metal Coupling   Description: the polyurethane elastomeric is a new material of polymer synthetic between rubber and plastic. It has both high strength of plastic and high elasticity of rubber. Its characteristics are: 1, a wide range of hardness. It still has rubber elongation … Continue reading China Professional High Quality FCL Rubber Bush, FCL Metal Pin, FCL Metal Coupling