JINSUNG T.E.C. is a Korea-based company mainly engaged in the manufacture and distribution of rollers used in the construction equipment. The Company's products consist of rollers including track rollers and carrier rollers, idlers including front idlers, roll forging idlers, track spring assemblies and others, as well as sprockets, which are used to support the heavy weight of caterpillar parts of heavy construction equipment. The Company also provides other under-carriage manufacturing equipment components. The Company distributes its products within domestic market and to overseas markets, including America, Japan, China and others.