350W AC to DC switching power supply, the output voltage can adjust from 0~48VDC, it can be used to the physiotherapy equipment and other industrial equipment.
Special Alumina Bricks are made by high grade of sillimanite,andalusite,mullite, corundum as raw material, It can resist corrosion of molten and corrosion of industrial slag. with high refractoriness, low creep and mechanical behavior under high temperatu