suppliers. In 2001, it acquired Martinswerk GmbH, which it sold in 2016. It also acquired the custom and fine chemicals businesses of ChemFirst Inc. for $74 million. In 2003, it acquired the fuel and lubricant antioxidants business of Ethyl Corporation. It also acquired the phosphorus-based polyurethane flame retardants businesses of Rhodia. It also acquired the bromine fine chemicals business of Atofina S.A. In January 2004, the company acquired Asian flame retardants distributor Taerim International based in Seoul, South Korea. In July 2004, Albemarle acquired the refinery catalysts platform from AkzoNobel, with sites and/or joint ventures in the Netherlands, Houston, France, Brazil, Japan and Singapore, for €615.7 million. In 2006, in partnership with UOP, a subsidiary of Honeywell, Albemarle created the Hydroprocessing Alliance to deliver integrated refinery solutions and hydroprocessing technologies and catalysts to the refining industry. The partnership was ended in 2016. In May 2007, Albemarle opened a regional sales office in Dubai to meet growing market needs in India and the Middle East. In 2008, Albemarle and Sinobrom, a marketer of bromine derivatives in China, formed Sinobrom Albemarle Bromine Chemicals (Shandong) Company Ltd., a bromine-related joint venture. In 2008, Albemarle acquired Sorbent Technologies Corporation, whose technology controls mercury emissions from coal-fired power plants, for $22.5 million. In 2009, Albemarle and TAYF, an affiliate of SABIC, created a catalysts joint venture to build a world-scale organometallics production facility in Jubail. In January 2012, Albemarle expanded its production capabilities for finished polyolefin catalysts in Baton Rouge. Albemarle also expanded its South Haven API production site and upgraded its multi-product cGMP active pharmaceutical ingredient (API) manufacturing facility. In September 2012, Albemarle was one of the three chemical companies that backed the Citizens for Fire Safety industry group that lobbied for use of flame retardant in consumer products including furniture and baby products. In 2014, Albemarle completed the sale of its antioxidant, ibuprofen and propofol businesses to SI Group. In January 2015, Albemarle acquired Rockwood Holdings for $6.2 billion in stock. Albemarle then announced it would realign its global business units: Chemetall Surface Treatment, Refining Solutions and Performance Chemicals. In August 2015, the company announced the relocation of its headquarters from Baton Rouge, Louisiana to Charlotte, North Carolina. In October 2015, Albemarle announced the separation of the bromine and lithium businesses, previously together under Performance Chemicals. In December 2016, the company sold the Chemetall Surface Treatment business to BASF for $3.2 billion. In