SAND RockTools (Registered name as Guiyang SAND Trading Co. Ltd) is a highly specialized and professional R&D based trading company established in China. The company is established by many expertise, senior engineers and technicians, senior marketing officers etc. whom contributed in manufacturing, R&D, marketing, administration in the RockTools, Steelmaking, Mining & Construction Industries for many years. Sand Rocktool is aim to develop and supply higher quality products and services to our customers. Our key advantage: R&D based trading company, we have very closed association and partnership with most of the leading manufacturers of RockTools in China and our products mostly subcontracting to the factory and using our own key technologies and process. This makes the quality of our products are much better in quality, and combined with our professional sales services, we are satisfying our customers all over the world.