As of May 11, local time, the U.S. stock market closed, the three major indexes closed down. Apple fell 5.18 per cent, wiping $129.6bn off its market capitalisation overnight to $2.37tn. Saudi Aramco overtook Apple (AAPL.US) to become the world's mos
Boron nitride with the chemical formula BN is a thermally and chemically resistant refractory compound of boron and nitrogen.
Molybdenum Carbide, with the chemical formula Mo2C. It has the characteristics of high melting point and hardness, good thermal stability and mechanical stability.
Nickel-based superalloys are the most widely used. The main reason is that, one is that more alloying elements can be dissolved in the nickel-based alloy, and it can maintain good structural stability
Spherical Aluminum Oxide Powder
It should be noted that the gross profit margin of Gongjin shares fell to 13.94% last year, and some investors are worried about the risk of continued decline in the company's gross profit margin. In this regard, Tang Xiaolin, Vice President and Trea
The disclosure of annual reports of listed companies is accelerating, and the overall performance of the chemical industry is quite good. More than 70% of the companies that have announced their performance forecasts are expected to increase. Since t