... production techniques including imported high power semiconductor as laser generator with, long service life and good monochromaticity; ... fan-shaped, 76pcs , forward 68, lateral 8 Ultrasonic Power: 50W Tank Capacity: 500ml Circulating Flowrate: 1500ml/min ... , diatomite, feldspar, calamite, clay, garnet, vermiculite, Titanium white power, and more. The production, application and research field for a ...