Founded in 1999, Ruian Bogao Machinery Factory is located in Ruian City, Zhejiang Province. We have more than 10 years of experience specializing in the field of manufacturing grinding machines,chamfering machine,air tapping machine, with a very strict production quality control system. All of the high-precision components are processed or tested in our factories, to improve our product efficiency and lifespan. Our portable grinding machines have occupied 30% of the grinding drill machine market in China. Apart from China, we are also actively involved in international marketing, participating in international exhibitions to introduce our quality products to users who need re-grind cutting tools around the world. Furthermore, for the needs of different regions, we have attained European CE certification. Currently, our portable drill grinding machines have been successfully accepted in