The Non-ferrous metal industry is at the upstrea…
Copper Red Copper is pure copper, also known as …
n the design of low voltage copper bar, the foll…
On July 28, the 2021 held a regular press confer…
Brass is binary copper-zinc alloy, also known as…
Surface treatment is to form a surface layer wit…
1. The basic property of aluminum is silvery whi…
On the use of copper or aluminum pipe air condit…
Tellurium is a quasi metallic element, the eleme…
Investigation of a number of power accidents by …
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