Shenzhen Wellen Technology Co., Ltd. is specialized in the production of the most powerful carbon fiber heating panels of perfect sauna equipment for both private use and commercial use. Our infrared panels create biogenetic and invisible infrared wave, which can release tension and eliminate bacteria. Long-wave radiation has the depth of 0.1 mm into the skin and is absorbed directly in the outer skin. It helps to expand blood vessel, and increase blood circulation and capillary ...