Hunan Diyfia Group Company  

Hunan Diyfia Group Company, which is approved by the state, professional drilling tools manafacturer for moth than 20years, with the import and export rights company. We are specializing in mining operations required mechanical equipment and tools, research, development, production, marketing and servise in one company. We has more than 20years of experience in R&D, and the products through Hunan province and technical supervision inspection, with 11 national patents, and are listed in the "national key new product ". Our mainly products have 2 different series: 1. Drilling Area: Diamond core drill bit, diamond reaming, PDC drill bits, drilling tools, drilling materials, drilling rigs and other accessories, are widely applied to the geology, water, electricity, metallurgy, mining, coal, railways, roads, buildings and building materials. The annual production capacity could reach 500 million, we received high praise from our customer for our high quality and devoted service Thanks fo... [View More..]