Classification by purpose and role:
Cut off valve is mainly used for cut off or connected media stream. Including gate valve, globe valve, diaphragm valves, ball valves, plug valves, butterfly valve, piston valve, ball plug valve, needle valve, glue stick instrument.
... Land and Resources Ministry of Finance, National Development and Reform Commission has established a national crisis mines resources exploration and project management leading group office, glue stick organizing the implementation of the "national crisis mines Resources Prospecting special" work.
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With the goal of building a resource-saving society to determine the state of the increasingly high demand for building energy conservation, energy efficiency requirements on building more and more clear.
In 2007 the State enacted China's first national law of energy conservation,glue stick "Energy Conservation Law", which also made on the building energy requirements accordingly.
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Doors and windows are two of the enclosure housing components, the main function is for transportation access, separate contact architectural space, ventilation and lighting and so on. Check the general requirement is to install windows and doors Euparagonimus solid,glue stick non-warping, easy to open and flexible, closed tight, functional and reasonable ease of maintenance, spare parts, a fully equipped, location accurate.
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