Tuoshan products including assembly &parts and some forging auto parts.It’s from the mold machining, forging, machining, heat treatment, and track assembly . installed to make a complete set of product processing production lines, like track link, pin and bushing, track roller, bucket tooth and tooth seat, sprocket segment, bolt and nut, planet carrier, gear wheel shaft, the gear blank, sun wheel, end cover, dials the fork, rocker, the break arm etc.products widely used in Carter, Komatsu, Shantui, Sany, Lonking, XCMG, Zoomlion, Liugong and dozens of species of domestic and imported excavators and bulldozers.Hello, this is Yolanda ,our company is a direct provider for komatsu, Shantui, SANY etc ,specialized on bucket tooth&seat,track pin &bushing,sproket segment for excavator and bulldozer.