MZ-CT ARC Welder Cardescription Cart can fit welding power source with drooping,slightly drooping and flat characteristics . and carry out automatic are welding process under the protection of flux.Besides ordinary functions possessed by conventional submerged arc welding tractor it features:double drivenwire feeding, long working life, quick response, low inertia and large torque. Its flexible construction and easy regulation make it favorable for welding in different positions.