Chinese major secondary alloyed aluminium makers of Guangdong Longda Aluminium and Boading Longda Aluminium Industry, in which Japanese major deoxidizing agent maker of Nippon Kinzoku has interest, plan to expand the output capacity in 2011. Top official of Nippon Kinzoku said Guangdong Longda Aluminium is under negotiation with the buyers for potential melted alloy business. Boading Longda Aluminium Industry plans to purchase adjacent farm land to build material yard and new production line.