Guide to the selection of hazardous gas detectors

With the development of industrialization, toxic and harmful gases have become a source of danger that we cannot face in production and life. Including petrochemical enterprises, chemical industry, environmental emergency accidents, terrorist attacks, storage .......

The bearing industry was difficult in 2012

According to the latest statistics, it is expected that the sales revenue of the bearing industry will increase by about 15% in 2011, and bearing output will also increase by about 17%. It is understood that in 2011 the bearing industry operating situation is .......