Tac Construction machinery was established in 2007, specializing in the research, development and production of undercarriage parts for crawler type machinery as tractor excavators, bulldozers,loader,grader,crawler crane,dilling,millings,pavers etc. Our factory is located at the biggest construction machinery manufacturing bases in Quanzhou City China. We mainly produce crawler type undercarriage parts, including track roller, carrier rollers, sprocket rims and segments, idler, track chain lubricated, track group with (swamp) shoes and G.E.T parts. In addition, we also supply others parts, such as track adjuster, bolts & nuts, bucket etc.