Skinny Stainless Steel Vacuum Tumbler is mainly made of 304 stainless steel. There are many layers inside, and the inter layer is generally vacuum to prevent heat conduction, and then electrolytic treatment.
HYMF 60/380•Air-cooling; DSP+ARM+IGBT Structure; Optimized Q value control method•7-inch LCD display with touch screen; concise and legible interface simple to use; digitized control with high control accuracy•The power output and current output control a