Definition of drag chain cable: In the case of equipment China needs to move back and forth, in order to prevent cable entanglement, wear, pull-off, hooking and scattering, often put the cable into the cable drag chain, the cable is protected, and the cable can also move back and forth with the energy chain, follow the energy chain to move back and forth without easy wear of the highly flexible special cable is called drag chain cable, trailing cable, tank chain cable