double flex chain china DF3498 Chain is designed to rotate on two planes and travel in multiple directions with a sizable sliding surface, making it an ideal chain for a very wide range of applications. The look of the chain enables maximum flexibility so the chain can travel around obstacles and even corners. This DF3498 chain is manufactured with high-quality steel and features hardened pins, bearing areas, and sliding surfaces to dramatically boost the strength and operation lifestyle of the chain. competitive price directly from stock, as well as a full type of high-quality DF3498 chain sprockets. There are additional options and configurations designed for dual flex chain upon demand. To learn more on DF3498 chain or other products you can expect, or to get yourself a quote please contact us and we will be happy to assist you