... : 3.0mm,number of plates: 15,19,23...guide type: middle guide,side guideProduct features: high precision, high reliability, low ... performance is better than tooth belt,gear and roller chain.Silent chain is used widely in textile machine,centreless grinder ... and Africa etc.Silent chain is one of our main products. Silent chain,leaf chain,roller chain,special chain,sprocket,couplingare our main ...