Hafnium hafnium the target crown high purity hafnium target gold target custom Lee purity 99.9% min size wafer / round table (diameter 1 mm) the rectangle / sheet / step-like (length <300mmX width 1 mm) pipe / ring / rotatable targets (2 mm diameter) in accordance with the drawings. Minimum order a delivery 1-3 weeks to transport domestic express carrier packaging vacuum packaging / vacuum neutral packing / special packing outside reinforced packing accessories, contract / quotation / packing list / analysis detection of a single / formal invoice