色眯眯av-久久久在线-高跟肉丝丝袜呻吟啪啪网站av-国产免费看片-污污视频免费观看-日韩欧美一区二区在线观看-97视频国产-中文字幕亚洲乱码熟女1区2区-97碰碰视频-国产精成人-火影忍者羞羞漫画-撸撸在线视频-中文视频一区-九九热在线免费观看-美女主播福利视频-欧美美女网站-少妇又色又紧又爽又刺激视频-美女bb视频-日韩成人短视频-日本欧美国产在线-国产一区二区在线观看免费-国产一级中文字幕-偷拍久久网-奇米一区二区三区久久-久久99影视

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.