In the first half of the year, China exported 275000 tons of titanium dioxide
News227Days Ago (06-15)
In the first half of the year, China exported 275000 tons of titanium dioxide...
Production process of silicon nitride products
News255Days Ago (05-18)
Silicon nitride products can be divided into reaction sintering products, hot pressing products, normal pressure sintering products, isostatic pressing sintering products and reaction refiring products. Among them, reaction sintering is a co...
Application Of High-Precision Bearings
News283Days Ago (04-20)
Pay attention to application techniques, such as error cancellation method to improve installation accuracy, smaller interference method to reduce raceway deformation, and adjust clearance method to improve positioning accuracy and rotation ...
New crown virus prevents shoes from bringing virus home
News311Days Ago (03-23)
Will the shoes take the virus home? Feng Luzhao, a researcher at the China Centers for Disease Control and Prevention, said that the new coronavirus is currently transmitted mainly through close-range respiratory droplets or contact....