United Arab Emirates-based Gulf Petrochem last week changed the name of newly acquired Indian lubricant producer, Sah Petroleums to GP Petroleums Ltd.Gulf Petrochem acquired most of Sah in two rounds of purchases last year. Jiangsu Lopal Tech Co. Ltd. said Afton Chemical will supply it with lubricant additives and consult in the creation of an R&D center for fuel-efficient lubricants at its new blending plant in Tianjin, China. Lopal said it also has base oil supply agreements with ExxonMobil, SK and Formosa Petrochemicals.