... second.9, It can weld surfaces via media such as water and oil.10, It ... . Tcchnique specification:(ultrasonic plastic seam welder high efficiency)Modle NoLK1522(Standard Machines)LK1521(Standard Machines)Power2200W2600W28200W2200W2600W2800W3200W4200WFrequency ... , reflective material, reflective spike,bumper, cable,motorcycle plastic filter, radiator , tanks,pallet plates. Plastic electronics: prepaid ...