The following is a commentary by the Amalgamated Metal Trading Limited (AMT), a leading brokerage of the London Metal Exchange (LME), on the 6th day of the LME's base metals. Copper: Technical buying helped copper prices rise to around 3725 U.S. dollars, and the market outlook will wait for opportunities to buy on the low side. Aluminium: Compared with other base metals, it traded quietly and tested again at the support of $1,855 and held steady above this level. Lead: The trend is weak. However, it will be a time to buy if the price is lowered to 875 USD. Zinc: Zinc rose all the way to $1,454 in early trading, but closed down to a low of $1,391. Tin: The performance is poor and it is expected to further decline. Nickel: Nickel was under pressure again on the 6th, due to the increase of inventories and the fall of other base metals. It is expected to consolidate before the International Co. (Inco) announces the employment report.
Gate Valve
Gate valve is a relatively common general-purpose valve, the use of a wide range of applications, mainly in water conservancy, metallurgy and other industries, its extensive use of performance has been recognized by the market.
Gate valve structure: gate valve is the use of the gate and seat to control the opening and closing of the valve. Gate valve mainly has a valve body, valve seat, gate, valve stem, valve cover, stuffing box, packing gland, stem nut, hand wheel and other components. Depending on the change of the relative position between the gate and the valve seat, the channel size can be changed and the channel can be cut off. In order to make the gate valve close tightly, the mating surface of the gate plate and the valve seat are ground.
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