Gfi advanced technologies, inc was estalished in 1987. Worldwide sales for 2007 are estimated at $us 7 miillion dollars. . Gfi a major supplier of specialty High puirty metals to the semiconductor and ir / UV, laser industries. Our products include: Poly silicon germanium, indium, gallium. ...

hello we are international buyers and sellers of silicon germanium raw materials pure or contaminated. buy sell Ge.Si. whole broken wafers. ingot. pot scraps. oxides. gases. so on. please let us know what kind material your company can offer to will give you an good price for scrap material! ...