... 2)import material from the USA and Switzerland directly Saw chain 1) ParameterSpecificationpackageG.W(kgs)Oregonmeasurement drive linkE1 1/4" ... We are the first factory of manufacturing guide bar, saw chain, and sprocket in China. The product line includes guide bar ... , saw chain, sprocket, rim, wrench, chain breaker, rivet spinner, and saw file, trimmer line ...