... Model JD-2020 Frequency 20KHZ Output power 13KW Non-woven Welding Machine Applied range:Car tarpaulin, Car seat covers, ... , incorporating storage, tents wardrobe, washing machine covers, mummy bag, blanket, cosmetic bags, suit cover, bed cabinet, sauna kits cover, shoes ... to the cold processing. 2.Product Features:1.Short welding time, ultrasonic automatic bonding without thread and needle more ...