2014-01-17 11:06

<a href="http://www.china-transmission.com/Large-size-conveyor-chains.html">Large size conveyor chains</a> are big pitch chains with rollers, originally based on cast iron chains. The base material was changed to steel, and they incorporated some of the features of drive chains and small pitch conveyor chains. </p> <p>Secongly,<a href="http://www.china-transmission.com/chain-and-sprockets.html">Large pitch conveyor chains</a> have long history.