Lineer Metal Sanayi ve Ticaret Inc. has been founded in 2019 as an affiliated company to Derkim Group Companies that have a significant share in polyurethane market of industrial chemical products. Lineer Metal Sanayi ve Ticaret Inc. held the ground-breaking ceremony of Turkey’s one and only zinc ingot production facility in January, 2020. Siirt Zinc Process Plant will reduce the zinc importation by 38% and make a major contribution to Turkey’s national production. Besides, Derkim Group holds to be the domestic production power in Turkish industry with its other affiliated companies such as Lineer Caustic (Caustic Production) and Siba (Siirt Copper Production).