Tronox is pleased to announce it has completed its acquisition of the titanium dioxide business of The National Titanium Diox ... ide Company Limited, known as Cristal. Tronox is now one of the world’s leading producers of high-quality titanium products and zircon with the most diverse global footprint. www.cristal.com Cristal Metals manufactures titanium powders using the patented Armstrong Process®. Our production facility in Ottawa, IL enables high capacity production of high quality titanium powder with the ability to produce both commercially pure and alloy powders. www.cristalmetals.com Cristal Mining engages in mining, processing and sale of separated mineral sands products. We produce ilmenite, leucoxene, zircon/rutile-rich non-magnetic products and other titanium materials. www.cristalmining.com read more