HONGWU-20+ years experience in nanoparticles production & delivery. silicon nitride, Tungsten Oxide Powder , Iron Oxide Red Pigment , Tio2 Titanium Dioxide Rutile ,300-500nm Amorphous Silicon Nanoparticles . The increasingly serious energy shortage and environmental pollution problems have prompted us to actively explore the use of clean new energy to replace traditional fossil energy. The rapid development of nanomaterials has opened up a new way for energy conversion and utilization. Our company-Hongwu International Group Ltd ( Brand HONGWU NANO ) are happy to be part of eco-friendly industry as a nano material manufacturer and supplier. The product will supply to all over the world, such as Europe, America, Australia,Swansea, Hamburg,Nigeria, Burundi.If you're planning to order small sample or larger quantities for your academic or industrial needs, please not hesitate to contact us.