GRB Series power modules adopt the advanced DC-DC conversion and pressor technology, the unique vacuum insulation and encapsulation technical design, the metal shield case, which have the following characteristics: moisture-proof, shockproof, high efficiency, low noise, low temperature drift, anti-EMC electro-magnetic interference,etc. The modules are widely used in mine exploration, metallurgy, optical control technology,medical equipment, physical and chemical experimental analysis, etc.