Praseodymium nutride is also known as prN powder. Praseodymium is used to make high-end electronic devices, such as sputtering targets and phosphors. coatings, etc. Purity: 99.5%Particle Size: -100 Mesh Praseodymium Nitride PrN Pulver: Praseody…
Natural river sand has been exhausted after decades of large-scale mining, concrete production enterprises began to use machine-made sand as fine aggregate on a large scale.…
Factors affecting freight forwarder nvocc Freight transportation In international freight transport, one of the most concerning issues is the price of freight transport. The cost is directly…
The WTO expects that global trade will continue to rebound this year and next. At present, factors such as the regional differences in trade recovery and the delayed vaccination of the new crown vaccine in the world, especially in poor countries, wil…
0086-0379-64280201
brad@ihpa.net
skype
whatsapp