Quanzhou City Quanhang Construction Machinery Co.,Ltd ，,located in the historical and cultural city,a famous overseas Chinese hometown-Fujian Quanzhou.The company specializes in the decelopment, manufacturing (casting,forging.heat treatment) and sale of spare parts of construction machinery such as Front idler,Sprocket,Track roller(bottom roller),Carrier roller(top roller),Track link,Idler yoke,Side cutter(end bit),Link loose,Track shoe,Tightening oil cylinder,Spring,Link b ...