Uncertainty is the theme of the security industry in 2012
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Uncertainty is the theme for 2012. Although the 2008 financial crisis eliminated the unqualified players in the physical security industry, the imminent debt crisis slowed the development of this 'recession-resistant' industry.
As the security practitioners have tenaciously spent …

General Equipment Valve Application Features
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(1) threaded connection valve. This connection is usually the valve into the end into a tapered pipe or straight pipe thread, it can be connected to the tapered pipe nipple or pipe. Since such a connection may present a larger leak channel, these channels can be plugged with sealants, sealing t…

Internal gear pump advantages
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    Internal gear pump fluid delivery smooth, pulsation, vibration, low noise.
Internal gear pump has a strong self-priming performance.
Internal gear pump parts the right choice of materials, can transport a variety of corrosive media, the use of temperature up to 200 â…

June 24 Shijiazhuang Steel Market Price Quotes
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Product name specification material steel factory / origin price (yuan / ton) than last week than last week General line Φ6.5/8mm Q235 Handan Steel 5680 -20 -20 -140 High Line Φ6.5/8mm Q235 Handan Steel 5780 - 20 -20 -140 High Line Φ6.5/8mm Q235 Shougang 5780 -20 -20 -140 High Line …