... transfer mode 3.stable using, high-efficiency welding Product specifications high-power ultrasonic welding series: CR ... materials, auto parts industry, CR series ultrasonic welding machine features: 1. Valve, cylinder, pressure gauge, ... diodes, are produced by Harvard, the frequency of automatic compensation circuitry. 5. Freedom to adjust power, ... not have the economic screws, glue. Reduce labor, low-co