What is difference among heat sealing and ultrasonic sealing drip coffee packaging machine?

The difference between Ultrasonic sealing Drip coffee packaging machine and heat sealing Drip coffee packing machine are here for you:
1.The outlooking of drip coffee packaging machine, please check attached picture for the outlooking.

2.The sealing edge of Drip Coffee Bag Package:
For the Ultrasonic sealing drip coffee packing machine,the sealing edge is smooth, and looking good.
The client always choose this ultrasonic sealing drip coffee packing machine for high-end coffee.
For for heat sealing Drip coffee bag packing machine,the bag is with 2mm sealing edge.
Please see attached picture for the sealing edge.

3.The heat generated by drip coffee packaging machine:
With heat sealing,it will generate the heat during packing.So it may influence the coffee flavor.
But for the ultrasonic sealing, it will not generate the heat and will not influence the coffee flavor.
Some client also choose this heat sealing drip coffee packing according to his need.

We manufactured these two types of drip coffee packing machine. So pick up it according to your need. Thank you.