国产三级精品一区二区三区视频,娇妻的呻吟梦莹,国产精品1区 2区 3区,日本伦理片波多野结衣

                






Item: Zone-refined Germanium Ingot (Germanium Metal)

Molecular Formula: Ge

Specification: Silver grey brittle metals in trapezium-like bars

                      Ge content≥99.999%

                      Resistivity≥ 50 Ω·cm （20 ± 0.5 ℃）

Packaging: Inner Packaging: Plastic covering and foamed plastic as pads

Outside Packaging: Carton

Application: Used widely in semi-conductors and detectors, infrared optical industry and in growing Germanium Monocrystalline, producing Germanium alloy and Germanium alloy and other Germanium products.



We invented 4’’ & 6’’ VGF monocrystal furnace with independent intellectual property right, and set up a production line of 4’’ & 6’’ zero EPD VGF germanium wafer producing line.