黄色视频下载APP,黄色视频免费软件,黄色视频软件下载网站,黄色视频网站在线观看污

Dongguan Huayi Diamond Tools Company Limited was founded in 2001. 

The Main Business of the company is developing and manufacturing Diamond Grinding Wheel and Boron Nitride Grinding Wheel (CBN, including Resin Binder, ceramic bond, electroplated metal bond, metallic bond)

The company has its professional technical team, advanced production and testing equipment, and would research and develop grinding wheels for various of special purposes pursuant to the clients' requirement.

Our products were widely used for grinding and cutting of Tungsten Carbide Die, Bearings, Auto Parts, Compressor Component, Aerospace, Ceramic, High-speed Tool Steel, Ferrite Material, PCD tools, Glass, Gemstone, Semiconductor.