Hunan Diyfia Group Company, which is approved by the state, with the import and export rights company. We are a professional manufacturer specializing in mining operations required mechanical equipment and tools, research, development, production, marketing and after servise in one company. We has 26 years 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...