Fully automatic high-speed 3D disposable civilian mask machine 300/min 1. The machine has 2 sets of ultrasonic, all of which use well-known brands,Ultrasonic welding transducer, ...
Fully automatic high-speed 3D disposable civilian mask machine 300/min 1. The machine has 2 sets of ultrasonic, all of which use well-known brands,Ultrasonic welding transducer, ...
