The characteristics of grain color selector: the ultra high speed sensor electronic eye. New 4mm small caliber air gun (1200 times per second). There are numerical control instrument, waveform analyzer, voltage meter, current meter, temperature meter, easy to use and easy to operate. Special anode chemical treatment process, can ensure the output of the product at the same time to reach the international first-class level. With the waterfall flat and narrow grooves, can meet a variety of materials, color selection. LED lighting system with heat dissipation, long life, low energy consumption, good performance. Different raw materials, the need for different spectral lighting, according to customer demand for customized light source. Advanced image acquisition system + intelligent image processing algorithm + high quality nozzle system = excellent rejection rate.