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In surface treatment area, considering environmental protection, production safety, employee health, Wingar-Kashing have invested a lot on noise reduction, dust removal and the relevant health and safety protection equipments, including automatic edge grinding machines from Germany, automatic polishing machine production lines, and other advanced equipments. Since 2012, we invested more in automatic polishing lines, also use different jigs and fixtures and horizontal grinding facilities, to reduce the labor intensity and the dependence on labor, which improve the efficiency and safety production.