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Analysis of the development status and future trends of China's bearing single row ball bearing in 2020

The single row ball bearing overview Bearingsingle row ball bearing is an important part of contemporary machinery andequipment. Its main function is to support the mechanical rotating body, reducethe friction coefficient during its movement, and ens…

Market Trend and Demand Crude oil rises since April 2020 Will Affact the Price of nano diamond

Since April of 2020, the trend of rising oil prices has been maintained, and it is rising globally. The reason for this phenomenon may be that the global economy is slowly recovering, or it may be that last year epidemic has been well controlled. The…