1. With the United States advanced semiconductor (ADV), Toshiba (TOSHIBA), Philips (PHILIPS) and other international brand-name company's advanced electronic components, to ensure stable performance.
2. The main circuit of the rectifier and inverter control module and solid state using high-power CMOS integrated circuit technology, allowing the system to improve the reliability of the work.
3. Output circuit by adding a negative feedback, constitute a closed-loop control, so that the load changes do not affect the sealing quality.
4. Waveforms also used the occurrence and control of negative feedback, in different jobs and resonance point can be automatically adjusted to the best point.
5. In the design of main circuit overvoltage, overcurrent, overheating, lack of water and other protection circuit and lights flashing alarm circuit to improve the equipment service life. 6. Pairs