TopTech JCH series plasma cutter, economical air plasma cutting system TopTech JCH, the reliable air plasma cutting system underwent test and proved to be a good and economical plasma cutter. Duty cycle test on TopTech JCH130A plasma cutter is an important part, taking 6mm carbon steel as its testing plate and trying the cutting speed of 5000mm/min. TopTech JCH series plasma cutter did not receive alarm after continuous cutting for 16 minutes, telling technicians a stable air plasma cutting system. TopTech JCH series plasma cutter is a reliable air plasma cutting system for handheld and mechanized cutting.