Some players in China's solar industry are developing upgraded metallurgical grade silicon (UMG-Si), which is cheaper to produce than polycrystalline silicon (poly-Si) made using...

International producers exhibited their upgraded metallurgical-grade (UMG) silicon of nearly 7N (99.99999%) in silicon purity with asking prices of about US$45/kg at the 2009 (24th)...

International spot quotes for upgraded metallurgical-grade (UMG) silicon, which has been considered to be a candidate to replace solar-grade polycrystalline silicon (poly-Si), have...

Taiwan-based silicon wafer maker Sino-American Silicon Products (SAS) will team up with Lite-On Technology and Actron Technology to set up a plant to produce upgraded metallurgical-grade...