... and maintain.. Super-audio Induction Nut Foring Machine WH-VI-60:More Features:1, small size, light weight, simple installation, ... 2, high efficiency, energy saving is very clear, high-frequency equipment save 60% energy than traditional 3, secure, reliable, non-million-volt ... .5, a unique cooling circulation system, ensure that the equipment 24 hours of continuous work. There are more models for ...