... /ISO9001 3) Assembled file chain saw file 1) An assembled file includes: one round file, one frame, and one wooden handle2) Material ... 3) We are the first factory of manufacturing guide bar, saw chain, and sprocket in China. The product line includes guide ... , sprocket, rim, wrench, chain breaker, rivet spinner, and saw file, trimmer line and so on. 4) Our main markets ...