Car bottom electric resistance type heat treatment furnace is one commonly used heat treatment equipment, which is famous for its wide application, simple fabrication, easy maintenance.In recent years with the development of ceramic fiber materials, our company put ceramic fiber modules into trolley electric resistance heat treatment furnace, which has obtained very good effect and customer experience.Small and medium-sized trolley electic resistance heat treatment furnace can adopt an integral structure, without foundation installation, can be used directly on the horizontal ground.It is widely used for quenching, annealing, tempering, aging treatment and heat treatment for various mechanical parts,such as alloy steel, aluminum alloy, high chromium and high manganese steel castings, nodular cast iron, rolls, steel ball, 45# steel, stainless steel.