double flex chain china DF3498 Chain is made to rotate on two planes and travel in multiple directions with a sizable sliding surface, making it an ideal chain for a very wide selection of applications. The design of the chain allows maximum flexibility therefore the chain can travel around obstacles and even corners. This DF3498 chain is produced with high-quality metal and features hardened pins, bearing areas, and sliding areas to dramatically raise the strength and operation life of the chain. competitive cost directly from stock, in addition to a full type of high-quality DF3498 chain sprockets. There are other options and configurations designed for double flex chain upon demand. For more information on DF3498 chain or other products you can expect, or even to get yourself a quote please e mail us and we will be happy to assist you