Risk aversion plunged on the positive news of the Russia-Ukraine talks. After several days of rising oil prices, the price of precious metals continued to fall. Domestic futures markets remain stable for the time being.Back in international markets,…
Tungsten carbide can be used for both industrial and commercial purposes in the form of a sphere powder, chemical formula W, and submicron or nanopowder forms. About 3D Printing Alloy Spherical Tungsten Carbide WC Powder: Product name: Sph…
Boron is a solid black or silvery-gray color. Crystal boron has a black color, is second in hardness only to diamond, and a relatively fragile texture. Purity>95%Particle size : 0.8-5um About Boron Amorphous Boron: The powder of Boron is black…