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A batch of pump accessories ordered by the company's customers include B11-125,B11-150,B11-200 chrome plated pump barrel, P21-125,P21-150,P21-200 spray welding plunger, C14-20, G11-20,S11-20,S12-20,S12-25,B22-20,B21-20 and other pump accessories, V11-125, V11-150, V11-175, Tungsten carbide valve bal