How to judge the 6403 bearing failure A sound meter is used to check the size and sound quality of the rolling sound of the 6403 bearing in operation. Even if the bearing is slightly damaged such as peeling, abnormal and irregular sounds will be emit…
The price of mining and quarrying industry rose by 36.4% in June, and the price of raw material industry rose by 18.8% Among the ex-factory prices of industrial producers, the prices of means of production rose by 12.0%, an increase of 2.9 percentage…
Strict production discipline by OPEC and its partners is the #1 reason why oil prices have managed to stage a remarkable recovery and stay relatively high after plunging to historical lows in 2020. Early this month, oil prices reacted positively afte…
Diamonds are forever, Gold is precious but which is rarer? Gold is a heavy metal formed during the collision of neutron stars and is one of the rarest elements on Earth.During the formation of the earth, heavy elements gradually accumulated towards t…
Silicon dioxide is also called silica. It's an oxide of silicon and has the chemical composition SiO2. Silica, which includes silica found in quartz and quartz sand, is collectively called silica.Particle Sizes: 10-30nm Purity: 99.5-99.9% Silicon D…
The European Union is seeking to boost energy cooperation with African countries to help wean them off dependence on Russian gas imports.Bloomberg said, recently, according to a draft EU file, African countries, especially in western Africa Nigeria,…