|  BHJ Series of Automatic Refrigerant Impregnators researched and manufactured by BUAA Machinery Plant are professional equipments used to automatically impregnate refrigerants on the production lines of refrigerator, freezer, air-conditioner and water dispenser etc. BHJ Series passed Beijing municipal authentication and won the ¡°Beijing Municipal Excellent Science Project Awards¡± and ¡°Gold Award of Beijing International Exposition¡± in 1990; ¡°Certificate of Beijing Municipal High-tech Products ¡±in 1994; ¡°Recommendation for High-Quality Products Certificate¡± awarded by the US Council of International Quality Authentication in 2002 and ¡°Recommended Products in International Trade¡± by U.S.-Asia Economic Trade Cooperation Committee.
As these computer-controlled impregnators have many functions such as automatically detecting system failure, automatically vacuumizing, inspecting leakage and impregnating etc., they can impregnate various kinds of refrigerants including R12, R22, R502, 134a, 404a, R600a, R717, THR01¡¡, and they can completely replace the imported products of its kind.
 
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