The stone bed: The stone bed is the only patented and adopted the ISO9001: 2000 quality system certification, the National Center for Identification of far-infrared detection and the central television advertising products, best-selling South Korea, Japan, Russia, Hong Kong and other countries and regions, and has sales in the domestic network. The surface of bed uses the natural jade, Maifan rock, Muyu stone and so on,non-radioactive pollution (selected stones are passing through the Bureau of Technical Supervision test). Heating Element are imports of carbon fiber composite material, heating temperature distribution is uniform, heat transfer area big , warming up fast, high thermal efficiency, the use of effective, non-electromagnetic pollution.