Pump troubleshooting eleven tips

【Start pump does not turn】

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Reason: packing is too tight or clogged with debris between the impeller and the pump body; pump shaft, bearings , leak ri

Screw pump anti-reverse technology introduction

The screw pump hydraulic anti-reverse technology is a technology for preventing problems such as rod reversal, lever off, polished rod swinging, and ground equipment damage when the conventional screw pump well is stopped at the time of stopping or pumping.

China Fertilizer Production Increases by 12.14% in 2011

In December 2011, China produced 5.068 million tons of nitrogen, phosphorus and potassium chemical fertilizers for agriculture, an increase of 7.79% year-on-year. The data shows that from January to December 2011, the output of chemical fertilizers nationwide reached 60.27 million tons, an

The price will drop sharply

The turbulent auto market has not affected the “luxuries” luxury market. In 2011, although the overall growth rate of the auto market was only 3.5%, the growth rate of the luxury car segment exceeded 40%, and the traditional “Germany's to