Seed is the seed of crystal ingot growth, With different crystal seed to get different monocrystal ingot. HenergySolar offers various types of seed as following: 
■Full cone seed
    - φ14.0/8.0mm * 120mm
    - φ17.5/11.5mm * 120mm
■half-cone seed
    - φ17.5/12.5mm * 150mm
    - φ17.5/12.0mm * 150mm
    - φ20.0/17.5mm * 150mm
    - φ14.0/9.8mm * 150 mm
■Three cone seed
    - φ20.0/13.5/12.5mm * 150mm
■FZ seed
    - 7 * 7 * 50-70mm
    - 5 * 5 * 50-70mm
■Round seed
    - φ12.5mm * 150mm
    - φ17.5mm * 150mm
■Orientation
    - <100>
    -<110>
    - <111>
■Type
    - P-type
    - N-type
■Resistivity
    -1-3Ohm. CM
    - Intrinsic resistivity
    - FZ:ρ> 300ohm.cm-20000ohm.cm
■Clean, individually wrapped, smooth surface, no damage