Umicore aims to do more. Its diversified business includes four segments: Catalysis (automotive catalysts. precious metals chemistry); Energy Metals (cobalt and specialty materials, electro-optic materials, thin film products, fuel cells); Performance Materials (building products. electroplating, platinum engineered materials, zinc chemicals); and Recycling (precious metals refining, battery recycling, jewellery and industrial metals, precious metals management). The company also owns 40% of Element Six Abrasives, a joint venture with industrial diamond producer Element Six. Another joint venture, with Zinifex, combines the two companies' zinc businesses into the world's largest zinc producer, called Nyrstar.