... mode 3.stable using, high-efficiency welding Product specifications high-power ultrasonic welding series: CR-2815 CR-3215 CR-4215 ... electronics factory, plant filtration materials, auto parts industry, CR series ultrasonic welding machine features: 1. Valve, cylinder, pressure gauge, pneumatic solenoid ... time 0.1-3 seconds. Strength can withstand a big rally and high pressure. Quality: Water and ...