Description

Industry usage:petroleum, chemical industry, food industry, pharmaceutical industry with precious filters, filter plates and filter tube, filter, the electronic industry with a metal bushing, cover, flat pins, lead frame, metal substrate, precious optic and mechanical components, spring plane part; friction plate and other stereoscopic plane parts; nameplates and pictorial complex metal decorative plates and exquisite arts and crafts; integrated circuits, electronic pring, screen, precise filtering grid, symbol microelectrodes.