Total improved with more optimized functions. The piezoelectricity ceramic transducer is assembled in Japan and can give a strong and stable output. Adjusting width machine is made of titanium alloy and is durable. Auto-compensation circuit of frequency modulation and frequency. Soft-starting circuit of debugging equipments, to avoid damaging mould. Processed by the digital controlling machine, so the precise is high. Adjustable plate structure, making it easy and quick for debugging moulds. The whole set of high-quality imported components can guarantee the quality of the products. High-efficiency welding ,low bad welding.