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032016-06
The oil-producing country agreement failed to sell oil prices without fear that the market tone is still weak metal pressure

China:China's supply-side reforms continued to advance, and de-leveraging actions were implemented in depth. With the increasingly prominent debt problems of overcapacity industries such as coal and steel, the game betwe...
022016-06
What is aluminum and aluminum alloy?

Aluminum is a kind oflight metal with small density(2.79/Cm3)and has good strength and plasticity.The aluminum alloy has good strength, the strength of the super-hard aluminumalloy can reach 600Mpa, and the ...
022016-06
What is bronze?

Bronze is the earliest alloy used in history. It originally refers to copper-tin alloy. Because it is blue-gray, it is called bronze. In order to improve the process performance and mechanical properties of ...
022016-06
What is brass?

Brass is an alloy of copper and zinc. The simplest brass is a copper-zinc binary alloy called simple brass or plain brass. Brass with different mechanical properties can be obtained by changing the zinc cont...
022016-06
What is pure copper?

Pure copper is rose red metal, which is purple after the surface forms a copper oxide film. Therefore, industrial pure copper is often called copper or electrolytic copper. The density is 8-9 g/cm3 and the melting point ...

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