... steel and special alloy steel 2) CE/GS/SGS/ISO9001 Long Handle Light Steel Keel Clamp(hand tools)1) Adopt the ... saves cost and finishes flat and smooth plane.7) We are the first factory of manufacturing guide bar, saw chain, and ... the assessment of the quality standardization.9) Our main markets are North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania ...