Sales engineer (ZZSM From1958,abrasives tool for optics, LED, semicon and metal working1 Research Institute, 4 factories, 55 years and 165 engineers)Zhengzhou�esearch�nstitute�or�brasive��rinding (ZZSM)�as�ounded�n�958Chinese�irst�rystal�f�iamond�nd�BN�as�orn�uccessively�n�ZSM�n�963�nd�967.Application:1. Precision OPTICS & LED processing:Diamond wire saw, hubless blade, dicing blade, edge grinding wheel, back grinding wheel, polishing pellet, polishing slurry and pad, ceramic plate.2. Precision SEMICON processing:Wire Saw, Back grinding wheel, Dicing blade, hubless blade, ceramic vacuum chuck table, polishing slurry (BGA, QFN)3. Precision METAL working:Grinding wheel (Camshaft, crankshaft; bearing; cylinder; vana; CNC turning, milling, drilling tool)Bonded: Vitrified/Ceramic diamond/CBN abrasive tools, Resin bond diamond/CBN wheels, Metal bond diamond/CBN grinding wheels and Electroplated series.Looking for win-win cooperation and lifelong friends.