The main tube is a large R angle square tube trailer bracket, when the tractor and trailer are separated, it is always used to support the ground and bear the first part of the load. Heavy and light commercial.
X20 ultrasonic non-woven bag machine is a 35khz intelligent ultrasonic welding machine. Intelligent frequency tracking ultrasonic generator, high-Q transducer, and wear-resistant cutter head are composed of ultrasonic core components.