Shenzhen keepleader machinery co.,ltd, which is original manufactuer of high frequency welding machine, high frequency blister sealing machine, ultrasonic plastic welding machine, portable ultrasonic spot welder, ultrasonic metal welding macine, ultrasonic metal spot welding machine, ultrasonic batter spot welder, ultrasonic cleaning machine, ultrasonic cleaner, "keepleader" is a renown brand of Shenzhen City, we are expanding our sales rate and range to all over the world, Shenzhen keepleader machinery co,ltd welcomes the friends all over the world