Profile: Jinan ASTECH Tools Technology Co., Ltd. provides solid carbide tools, CNC router tools, router bits and CNC engraving bits. Diamond cup wheel is used in grinding non-metal materials. PCD router bits mainly process granite, marble, ceramic tiles, jade, glass, limestone and bricks. Carbide cutter can be re-used by re-grinding. We also offer carbide & wood router bits, router collets, collet adapters, ball end diamond tools, and diamond grinding wheels.