Good quality comes to start with; service is fore; organization is cooperation is our enterprise philosophy which is regularly observed and pursued by our firm for replaceable block roller cones, tricone drill, api steel tooth bits factory, sealed bearing tricone bit for water well,roller cone factory. We are able to do your tailored get to fulfill your own satisfactory! Our organization sets up several departments, including manufacturing department, sales department, high quality control department and sevice center, etc. The product will supply to all over the world, such as Europe, America, Australia,Sheffield, Lesotho,Canada, Amsterdam.We have more than 10 years experience of production and export business. We always develop and design kinds of novel products to meet the market demand and help the guests continuously by updating our products. We are specialized manufacturer and exporter in China. Wherever you are, please join us, and together we will shape a bright future in your business field!