Shandong Yanggu Tianyue Drilling Tools Co., Ltd. was founded in 2005, which is a professional enterprise engaging in R&D and production of series of tools, such as drilling tools, mining machine tools, blast furnace drilling tools and so on. Our company integrates scientific research, design, production, and operation in one, owning 5 related patents (1 invention patent), 4 trademarks, the import and export right of self-operation, and passing ISO9001 certification in 2008.Our expert technical team has more than 30 years of accumulation and precipitation of drilling tool manufacturing technology, and continues to focus on the production of high-end heavy-duty hydraulic rock drilling rods, bits, shanks, and coupling sleeves.