... precise, easily, simplify running.2. NL-5557 sparking machine protect.3. Photoelectricity checks color system, ... confirm products with 100% good.4. Feeding material, welding, cutting, recycle material full automatically.5. Machine ... sealing pressure logo and blossom.6. Machine Parameter:ModelWS-8000TFDHF power8000WFrequency27.12MHzPower supply50 ...