CG1-30 portable cutting machine is an universal gas cuttingmachine, which uses medium-pressure fuel gas and high-pressureoxygen to cut the plate which thickness is more than 8mm. It mainlybe used for straight-line cutting. It also can be used for circlecutting with diameter more than 200mm. Bevel cutting and V-shapecutting as well. If equipped with special attachments, the machinemay be used for flame quenching and plastic welding by taking useof it drive.