According to the "Guangzhou Daily" report, the research report released by Macquarie Bank last weekend said that the National Materials Reserve Bureau is buying a variety of non-ferrous metal varieties, thus launching the first round of bulk commodity storage and storage plan after the year, which is since last year. For the third time since November, the country has been collecting and storing in the non-ferrous metals market. The new reserve plan involves copper and aluminum.
Macquarie Bank said that the China National Materials Reserve Bureau has bought up to 300,000 tons of copper and will complete the delivery before June. In addition, some media reports said that the same amount of metal aluminum storage plan is already in preparation. Among them, it is expected to enter the actual operation stage in March.
Regulating valve is a fluid control device, it can control fluid flow, pressure, temperature and other parameters, in order to achieve the purpose of regulating fluid flow characteristics. It is composed of a piston or ball spool, in which there is a manual or electric mechanism with adjustment function, it can control the position of the piston or ball spool, so as to change the pressure and flow rate in the valve, so as to adjust the flow characteristics of the fluid.
The main function of the regulating valve is to adjust the flow rate, pressure and temperature, so that the fluid flow characteristics are more stable, so as to improve the efficiency of the fluid. It can regulate the flow of fluid to keep it at a low level, thus saving energy; The pressure of the fluid can also be adjusted to keep it at a low level, thus reducing noise in the piping system; The temperature of the fluid can also be adjusted to keep it at a low level, thus preventing condensation in the piping system, etc.
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