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Biological extraction, also known as bacterial leaching, bacterial leaching. Using microorganisms ore, minerals, secondary resources insoluble metal compound (known CuS, NiS, ZnS) into soluble metal compound (e.g., CuSO4, NiSO4, ZnSO4) process.

1 The importa…

On January 18th, the evaluation and acceptance team of experts from Shandong Province in the Jiaozuo County aquaculture networking technology promotion project was evaluated and accepted. The assessment team heard the project implementation report and watched the Q…

• Model NO.: jsx6040
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With the continuous development of China's automobile industry, the once-controversial "Automobile Brand Sales Management Implementation Measures" has finally ushered in change. Recently, the Ministry of Commerce commissioned the China Automobile Dealers Association to …