What is the material of Germanlink knee joint

Titanium alloy, polyethylene, polymer coating. According to the official website of Germany Link, the material of the lacquer joint aid developed by Link includes titanium alloy used to make knee joints, polyethylene used to make knee joints and polymer coating used to enhance the wear resistance and lubricity of the knee joint surface. Germany Link is a medical device company headquartered in Hamburg, Germany, specializing in the research and development, production and sales of artificial joints and orthopedic surgery products, the company was founded in 1948, is one of the world's leading manufacturers of artificial joints, the product covers the knee, hip, shoulder joints and other different joints replacement system.