Xichai CA6DM won the "2011 engine"

The “2011 Engine” selection activity jointly organized by China Internal Combustion Engine Industry Association and China Automotive News recently unveiled. The CA6DM diesel engine produced by Xichai was the only “2011 engine” in the heavy-duty engine, and the

Several effective methods for drying pollen

The pollen mass of the pollen group just collected by the bees is about 20%, and it is prone to fungal infection and mold deterioration at room temperature. It is generally believed that the water content of the pollen is below 5% to prevent mildew. The water content of commercial pollen needs