... 3.Calibration accuracy 4.3-D automatic focusing system Distribution Machine1. Pics of the companyfull view of the company2 ... non-metallic powders, such as calcium carbonate heavy, calcium carbonate light, talcum, kaolin, graphite, wollastonite, brucite, barite, mica powder ... and control system are accurate and reliable. Specially designed light receiver array with 90 pcs detectors, forward76, lateral ...