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Steel pipe output rapid growth, and meet the national economic construction and development needs.

The "eleventh five-year plan" period, steel pipe production following the "15" growth and change for rapid growth. 2010 years of steel pipe production 57.65 million tons, more than 2005 increase over 29.84 million tons, up 107.30%, to an average of 15.69% speed…

A delicate precision bearing is impossible to run down indefinitely, in the operation process, because all kinds of elements will make precision bearing damaged. For example, the installation is not hair, lubricating oil is bad, nutrient and dust enter into the inside, and what’s more, rust, and electrical erosion etc can make precision bearing early destroyed.

In the normal conditions of the installation,…

Corrosion has great harm to precision bearings, for example corrosion is severe, which can affect the use of bearing, make its due function can't play out, the bearing is not of installation and use, such as are using bearing corrosion is also very serious when, should remove in time, change new angular contact ball bearings. Such as bearing the surface corrosion is not very serious word, can take mechanical method…

In the recent years, as the technology development of bearing steel and production process are more and more mature, the market demand for stainless steel ball bearings are bigger and bigger. And the production technology has been foreign enterprise monopoly; domestic steel wire runway bearing demand was also greatly restricted.…