タイトルまたは説明

It uses secret process of Cahard patent to ensure the drilling speed is *0% higher than that of the traditional drills. The service life of the drill is more than *8 meters. 
Cahard is a company specializing in research and development of reinforced concrete diamond cutting tools and diamond tools for stone mining. It covers an area of over *0,**0 square meters, of which scientific research covers over ***0 square meters including Cahard drilling and cutting construction and Cahard diamond tools manufacture two major business categories. Cahard Company now has over **0 members in drilling cutting and construction team and more than **0 all kinds of reinforced concrete drilling equipment.