Established in 1988, Muhan System Co. has specialized in manufacturing portable metal heat-treatment equipments and parts for pre-heating and post-weld treatment (PWHT) process. Our main items are portable electric heat treatment machines, gas heat treatment machines, and heat treatment machines for "U" bending tubes. We have acquired several patents on our products. We are happy to accommodate your requests regarding any of our products, and can meet your demands on our products and services.