Quanzhou CONGQIN MACHINE MANUFACTURING Co.LTD established in 2007in QUANZHOU,and for enlarge the international trading,set up thetrading company in XIAMEN call XIAMEN CHANGBO TRADING CO.,LTD.Now we had already sell to India,Vietnan,Thailand,Srilanka,US,ETC,all over the world about it.Our main product are undercarriage spare parts for excavator andbulldozer,such as track roller,track shoe,track link,carrierroller,front idler,sprocket,etc.