ultrasonic welding transducer

ultrasonic welding machine transducer

Ultrasonic welding machine transducer Ultrasonic welding machine transducer for mask machine. Nobody knows that the New year in 2020 began with an outbreak of virus (COVID-19). China is NO.1 country which can control it very well. You can’t image how hard what we can do . Just 2 months, Everyting goes well. When the people…